David Dupuis
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Welcome to the official website of
David Dupuis
author of

The Seven Keys of Hildegard

A HISTORICAL FICTION SERIES
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ABOUT THE AUTHOR


​​David Dupuis has published numerous local, historical non-fiction books, as well as three NHL hockey biographies. His fascination with world history, papal history, prophecy and fiction culminate in this intriguing, genre series.

David's three NHL hockey biographies include Sawchuk: The Troubles & Triumphs of the World's Greatest Goalie, Heart of the Blackhawks: The Pierre Pilote Story, and The Red Kelly Story which won the 2016 Ontario Speaker’s Book Award.

He lives with his companion Susan, near Toanche, Ontario, Canada.

Explore the Series...

Book 1
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THE SEVEN KEYS OF HILDEGARD
​​Of Mercy & Of Death

In 1167, a German nun has a troubling vision, prophesizing the end times. In 1917, Mary appears to three children in Fatima, Portugal, revealing mysterious secrets. In 1936, a young man is inexplicably hurled to his death off the side of a mountain in Italy, and the newborn he unknowingly leaves behind is spirited away to America by his terrified mother. But why?

Tackling events throughout the early 20th century, The Seven Keys of Hildegard: Of Mercy & Of Death will challenge the very truth of what the church and the world knows. Through two world wars, and from the Vatican in Rome, Italy, to New York City and small town Canada, two knowing popes, an unsuspecting archbishop and a monsignor become entangled in Hildegard’s ancient web of prophecies. And one thing is certain—Armageddon is nigh.

Reviews of BOOK 1 "Of Mercy & Of Death"
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The writing is imaginative, effective and clear, the themes well developed. Vivid imagery adds depth to the narrative. The settings are well-described, conveying both time and place. In particular, the descriptions of the Vatican are vivid, with its talk of visions, revelations, popes and secret keepers, as is the arrival of a new Patriarch to Venice. An ambitious, complex and interesting story.
- WHISTLER INDEPENDANT BOOK AWARDS​

I normally am not a big fan of historical fiction but let me tell you, I didn’t mind it this time! This book was pulling me in. There is this intense sense of urgency the entire time that something bad is coming and they must do everything they can to prepare for it.
The characters are well developed, and the book stays interesting by jumping back and forth from different time periods as well as places around the world. It took a whole new turn on good vs evil and there is so much more to explore as this is only the first book in a series. I will definitely be continuing the series as I finally found a historical fiction that doesn’t bore me to tears.
– Eric, BREAKEVEN BOOKS REVIEW

David Dupuis has gone where few tread in his historical novel series, "The Seven Keys of Hildegard." This series takes the reader into a Catholic world Hildegard would have known well - a world of politics, betrayal, superstition, seduction, prophesy and ritual - a world existing somewhere deep within the "fallen stars" struggling to get back to the Light. His historical novel series is a page-turner and pulls out a piece of Hildegard's charism not well-known. I loved how the author wove together so many historical nuggets into the fictional text. His love for Hildegard and church history shine through. Looking forward to reading Book Two!
- REV. DR. SHANON STERRINGER, Hildegard Haus, Ohio, USA​​

As a Theology student who studied Hildegard during their undergrad, this is a book that I was quick to request as I was interested to see what Dupuis would do with the character. I really enjoyed this book and the mystery that was woven throughout the story. After seeing other comments, I can see that there are more books in the series so I will be looking into those soon!
- Abbey M., A NET GALLEY READER from the United States

The Seven Keys of Hildegard of Mercy and Death is a captivating novel. David Dupuis intricately weaves historical fact with fiction and introduces the reader to ancient prophecies, popes, bishops and an 11th century nun. This story is filled with suspense, mystery and intrigue. You don’t have to be an historical fiction fan to be completely absorbed in this book. There are plenty of twists and turns that left me wanting for more. I am looking forward to reading the next installment. Highly recommended and a wonderful read.
- A GOODREADS READER, from the United States

Interesting read. To be honest, I was engrossed in this book. I have recommended it to several members of my parish and also have recommended it as a purchase for the school library.
​- Tammy, A GOODREADS READER, from the United States ​

A well researched and entertaining novel in which author David Dupuis weaves weaves historical fact with fiction. This story is filled with suspense, mystery and maneuvering as it takes the reader through a century of church intrigue as well as the life of one small child whose fate is inextricably interwoven with that of his protectors and the church as they battle against the dark forces preparing for the arrival of the Son of Lucifer. An ideal read for those who love thrillers saturated in conspiracies, religious lore and action.
- A NET GALLEY READER from the United States

Well-plotted, well-written book with good characterization, history, and intrigue. I lost sleep for three nights finishing it. Narrative flows smoothly between continents, characters, scenarios, and timelines. I was unaware this title was part of a series until I finished it, and I'm so happy the next book is already published and waiting for me!
- Tammi, A NET GALLEY READER from the United States

I felt drawn in by the plot . . . I found the journey, entertaining and kept reading with gusto and sometimes even with bated breath. 
- A GOODREADS READER - from France

I absolutely loved reading this book! I was drawn in from the start. I found throughout the book, mystery was maintained but there was just enough information given to the reader regarding the 'keys' to make me want to keep reading. I will definitely be reading the next book in the series and look forward to the series as a whole!
- A GOODREADS READER, from England

Very well written, this book had everything: mystery, suspense and surprise. From the opening page, the ups & downs leave you wanting for more. Can't wait for the next book! It was a great book!
- ALLAN P. Midland, Ontario, Canada​

I really enjoyed this mystery, I thought it was a unique read and I enjoyed going through trying to solve it. I look forward to more from the author and this series.
- Kay M., A NET GALLEY READER, from USA
​Dupuis pits dark forces against the Nazarene Church in this swiftly paced first installment in The Seven Keys of Hildegard series. Packing the novel with enigmatic figures, Dupuis sets a smooth pace as the Church officials race against time to try to save John from the dark forces. Dupuis skillfully blends religious intrigue, action, and thrills of a chase, his worldbuilding is vivid, and he creates some genuine intrigue in tackling events throughout the early 20th century.
The narrative is laced with enough twists and shocks that keep the reader invested until the last page. 
The cat and mouse hunt between the keepers of the Watch and the Church officials make the pages fly by. The conclusion is both uplifting and satisfying, hinting at a larger adventure to come in the next installment. This engrossing blend of religious intrigue and action will appeal to lovers of conspiracy thrillers.
- THE PRAIRIE BOOK REVIEW

I was bowled over by this book. This is a well plotted, well written thriller which is perfect for Christians and non-Christians alike. I found the book totally gripping. If you love mysteries and secrets I guarantee that you will love this novel, I recommend it extremely highly!
- Caroline, GOODREADS READER, from England

"Of Mercy & Of Death" had me googling various events in Catholic history. What a fantastic tale! I truly sped through the book quickly! I deliberately slowed myself down so that I could truly savor the delightful story of intrigue and ancient prophecies. ​I'll want to read all the books once they're finished. And, this one!! Daaaaaaaaaaang!! It's superbly written. It will seriously have you freaking out wondering if it was divine inspiration that made you pick up this book to begin with. I personally... kind of think that it is! Really loved the story!
- Cherei M., A NET GALLEY READER, from the United States 

This is an interesting and riveting book. I kept turning pages to learn more, to uncover more secrets. I loved it. I don't want to spoil your pleasure of discovering this story, so I won't give you much plot details but my, this is one of those books that stays with you forever. I'm definitely going to re-read in the future!
​​- A GOODREADS READER, from the United States

I absolutely loved reading this book! I was drawn in from the start. I found throughout the book, mystery was maintained but there was just enough information given to the reader regarding the 'keys' to make me want to keep reading. I will definitely be reading the next book in the series and look forward to the series as a whole!
- A GOODREADS READER, from the United States 

Gripping historical fiction, adventure and mystery. Great story.
- A GOODREADS READER, from Slovenia

​I'm not Catholic, nor religious but let me tell you, I could not put this book down! I must be spiritual because it had me totally engrossed, a real page turner. Then to find that it's half true and happening in our times. Wow! I didn't expect that. An amazing story. Can't wait for book 2 and the rest of the series to find out how the church, and the world fares. The author has a gift and weaves a great story. Definitely onto something and big!
- ROBERT T. from Toronto, Ontario, Canada

A very good read in the DaVinci Code genre. A mystery in the world of Catholicism. Loved identifying with Pope Pius. People the world over fascinated with the events of Fatima. I found the writing was excellent and kept my interest from page 1. Would appeal to anyone who likes a good mystery with a Canadian connection.
– AMAZON.CA READER, from Waterloo, Ontario, Canada 

One of the best novels I’ve ever read! I couldn't put this book down. The use of historical facts combined with the intriguing fictional storyline keeps the reader wanting more! It reads like a combination of Thorn Birds and the DaVinci Code. I cannot wait for Book 2!
- SANDRA N. from Kitchener, Ont.

I couldn't put this book down. it's a classic "good vs evil" story that combines fact, fiction, religion, history and suspense that kept me reading faster just to get to the next page. David's ability to take the reader from the past to the future and back and forth from one continent to another is literary magic and his knowledge of religious history is amazing. I can't wait for book 2 of this thrilling saga.
- DON M. from Midland, Ontario, Canada
Book 2
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THE SEVEN KEYS OF HILDEGARD
Of Love & Of Betrayal

In 1167, a German nun named Hildegard, has seven troubling visions of the end times. In 1958, the new pope, John XXIII, begins his reign and must decide how to make his church relevant in a rapidly changing and increasingly dangerous world of the 1960s and 70s. In this second book of David Dupuis’ thrilling five-part historical-fiction series, the ancient battle lines are drawn.

​From a convent in Fatima, Portugal, to a hut in Africa, the halls of the Vatican, office towers in New York City to a small town in Canada, the ancient Keys inevitably turn. Through it all, a mother’s devotion to her child and those who protect them are threatened. Can the church and world be saved from political, economic, military and spiritual assassinations? With evil lurking in the halls of power, only two things are certain. Where there is love—there is always betrayal.

Reviews of BOOK 2 "Of Love & Of Betrayal"
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Historical fiction has never really been my thing, but Dupuis' first book in this series actually intrigued me and gave me liking for the genre. In this second book, the love is still there as I enjoyed this one too. I can see how the author wanted to build anticipation for that big ending. Some of the relationships were very heartwarming and had me invested. These books deal with family a lot and I do like that about them. Having a caring and supportive family is really nice to see in a book. I will definitely read the rest of this series.
- Erik, BREAKEVEN BOOKS REVIEW 

I read the first two volumes and thoroughly enjoyed the exciting adventure of the classic, dualistic battle between good and evil in the context of this apocalyptic peeling away of the layers of history. I loved the way the author presented his characters in a narrative reflection on the developments and issues faced by the Church in the modern world. He highlights very clearly the Church’s holiness and the hellish temptations that face so many in the Church.
​I lived in Rome during the time periods in this book and they brought back many memories and clearly highlighted so many key concerns faced by our world and the Church. I wait eagerly for coming volumes. I would love some day to see this story on the big screen!
- Fr. PETE MIHALIC, Fairport Harbor, Ohio. USA​

I enjoyed how many local connections there were in this book. As someone who lives in the same town as the author I was so excited to see those local connections. David makes the religious histories easy to read and understand. I could not put this down and in fact read it in 3 weeks which only leaves you wanting more. I can't wait until the third book.
- John, AMAZON READER, Penetanguishene, Ont. Canada

Okay, David. M. Dupuis, you've officially hooked me. Somehow, The Seven Keys of Hildegard: Of Love and of Betrayal took me on a journey of self-discovery. I would rate this series of books up there with the DaVinci Code. Definitely one for the ages! I'm bracing myself for all the twists and turns I'm sure we are in store for in Book 3.
- Suzanne, AMAZON READER, from Tiny, Ont. Canada

A hybrid of ‘Pillars of The Earth’ and 'The Thornbirds.' ​A fascinating historical timeline told through the filter of Good vs Evil. This book reveals the blemishes and the warts of the Vatican yet allows the reader to root for the hero who has a predestined future within it.
- Roger, AMAZON READER, from Mexico
Captivating book of historical fiction and suspense. Second one in a series. Again, a great and quick read.
- Denis, AMAZON READER, from Windsor, Ont. Canada​

Gripping, meticulously researched, and full of surprises, Dupuis’s second installment in The Seven Keys of Hildegard series reveals the anarchy that lurks in shadows as the ancient keys inevitably turns. 
Dupuis’s prose is crisp, and the provocative historical revelations keep readers enthralled. John XXIII’s complex character—calm and tough but also sentimental and a great visionary—is a triumph. The cat and mouse game between the Dark Watch and the church officials keeps the tension high. The final plot twist, while predictable, is thoroughly satisfying, and the way Dupuis resolves it will keep readers wait anxiously for the third installment.
At once intriguing and vividly detailed, this is a conspiracy thriller done right.
- THE PRAIRIE BOOK REVIEW

Of Love & Of Betrayal (The Seven Keys of Hildegard Book 2) is the second book in the Seven Keys of Hildegard series by David Dupuis. If you love historical mysteries based upon real events and real people... especially as they're leading to the ultimate fight between God and the anti-Christ. I love how the story weaves fact and fiction together! The story is so well written that the reader will find themselves googling various popes and prophecies. What is so freaky... these are very real prophecies that have been handed down for centuries. I cannot wait to read the third book in the series! I do believe that the author is also being driven by divine inspiration. 
- Cherei M., GOODREADS READER, from the United States 

Waited for this second book of the 5 novel series, and ordered it right away! OMG!! It just gets better and better!! The use of historical facts to create this suspense filled storyline, had me on the edge of my seat!! Like the first book, I couldn't put this second novel down!
- Sandra, AMAZON READER, from Kitchener, Ont. Canada

WOW! This story has everything. It has suspense, intrigue, love, evil, the battle between good and bad, fact, fiction, history, prophecy and it never stops moving. From Rome to rural Canada to New York to Africa and across multiple centuries and into the future. What an amazing story.
- Don, AMAZON READER, from Midland, Ont. Canada

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  • THE SEVEN KEYS OF HILDEGARD
  • David's Blog
  • David's Sunrise Pics
  • Book Reviews