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book cover of The Rule of Four

The Rule of Four

(2004)
A novel by

 
 
Tom Sullivan is about to graduate from Princeton. He's intelligent and popular, but haunted by the violent death several years earlier of his father, an academic who devoted his life to studying one of the rarest, most complex and most valuable books in the world. Since its publication in 1499, the Hypnerotomachia Poliphili has baffled scholars who have tried to understand its many mysteries. Coded in seven languages, the text is at once a passionate love story, an intricate mathematical labyrinth, and a tale of arcane brutality. Paul Harris, Tom's roommate, has deeply personal reasons of his own for wanting to unveil the secrets the book hides. When a long-lost diary surfaces, it seems the two friends have found the key to the labyrinth - but when a fellow researcher is murdered only hours later, they suddenly find themselves in great danger. And what they discover embedded in the text stuns them: the passion of a Renaissance prince, a hidden crypt, and a secret worth dying to protect.

Genre: Thriller    

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Used availability for Ian Caldwell's The Rule of Four

Hardback Editions

August 2012 : USA Library Binding
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Title: The Rule Of Four (Turtleback School & Library Binding Edition)
Author(s): Dustin Thomason, Ian Caldwell
ISBN: 0-606-26829-4 / 978-0-606-26829-5 (USA edition)
Publisher: Turtleback Books
Availability: Amazon   Amazon UK   Amazon CA   


October 2008 : USA Library Binding
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Title: The Rule of Four
Author(s): Ian Caldwell, Dustin Thomason
ISBN: 1-4395-6575-9 / 978-1-4395-6575-9 (USA edition)
Publisher:
Availability: Amazon   Amazon UK   Amazon CA   


June 2005 : USA Library Binding

Title: Rule of Four
Author(s): I Caldwell
ISBN: 1-4177-7000-7 / 978-1-4177-7000-7 (USA edition)
Publisher: San Val
Availability: Amazon   Amazon UK   Amazon CA   


2005 : UK Hardback

Title: The Rule of Four (large print)
Author(s): Ian & Thomason, Dustin Caldwell
ISBN: 1-84505-734-1 / 978-1-84505-734-3 (UK edition)
Publisher: W F Howes Ltd
Availability: Amazon   Amazon UK   Amazon CA   


August 2004 : USA Hardback
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Title: The Rule of Four
Author(s): Ian Caldwell and Dustin Thomason
ISBN: 0-7862-6799-2 / 978-0-7862-6799-6 (USA edition)
Publisher: Thorndike Press
Availability: Amazon   Amazon UK   Amazon CA   


May 2004 : USA Hardback
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Title: The Rule of Four
Author(s): Ian Caldwell, Dustin Thomason
ISBN: 0-385-33711-6 / 978-0-385-33711-3 (USA edition)
Publisher: The Dial Press
Availability: Amazon   Amazon UK   Amazon CA   


May 2004 : UK Hardback
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Title: The Rule Of Four
Author(s): Ian Caldwell, Dustin Thomason
ISBN: 1-84413-005-3 / 978-1-84413-005-4 (UK edition)
Publisher: Century
Availability: Amazon   Amazon UK   Amazon CA   


Paperback Editions

June 2013 : UK Paperback
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Title: The Rule Of Four
Author(s): Dustin Thomason, Ian Caldwell
ISBN: 0-09-955748-7 / 978-0-09-955748-7 (UK edition)
Publisher: Arrow
Availability: Amazon   Amazon UK   Amazon CA   


August 2012 : USA Paperback
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Title: The Rule of Four: A Novel
Author(s): Ian Caldwell, Dustin Thomason
ISBN: 0-385-33712-4 / 978-0-385-33712-0 (USA edition)
Publisher: Dial Press Trade Paperback
Availability: Amazon   Amazon UK   Amazon CA   


July 2005 : USA Paperback
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Title: The Rule of Four (Thorndike Paperback Bestsellers)
Author(s): Ian Caldwell, Dustin Thomason
ISBN: 1-59413-077-9 / 978-1-59413-077-9 (USA edition)
Publisher: Large Print Press
Availability: Amazon UK   Amazon CA   


June 2005 : USA Mass Market Paperback
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Title: The Rule of Four
Author(s): Ian Caldwell, Dustin Thomason
ISBN: 0-440-24135-9 / 978-0-440-24135-5 (USA edition)
Publisher: Dell
Availability: Amazon   Amazon UK   Amazon CA   


February 2005 : USA Paperback
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Title: The Rule of Four
Author(s): Ian Caldwell
ISBN: 0-440-29640-4 / 978-0-440-29640-9 (USA edition)
Publisher: BANTAM DOUBLEDAY @ DELL
Availability: Amazon   Amazon UK   Amazon CA   


February 1994 : UK Paperback
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Title: The Rule Of Four
Author(s): Dustin Thomason, Ian Caldwell
ISBN: 0-09-945195-6 / 978-0-09-945195-2 (UK edition)
Publisher: Arrow
Availability: Amazon   Amazon UK   Amazon CA   


May 2004 : UK Paperback
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Title: The Rule Of Four
Author(s): Dustin Thomason, Ian Caldwell
ISBN: 1-84413-006-1 / 978-0-9656076-5-0 (UK edition)
Publisher: Century
Availability: Amazon   Amazon UK   Amazon CA   


Audio Editions

October 2006 : USA Audio edition
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Title: The Rule of Four
Author(s): Ian Caldwell, Dustin Thomason
Publisher: Random House AudioBooks
Availability: Amazon   


October 2006 : UK Audio edition
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Title: The Rule of Four
Author(s): Ian Caldwell, Dustin Thomason
Publisher: Random House AudioBooks
Availability: Amazon UK   


May 2006 : USA Audio CD
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Title: The Rule of Four
Author(s): Ian Caldwell, Dustin Thomason
ISBN: 0-7435-5212-1 / 978-0-7435-5212-7 (USA edition)
Publisher: Simon & Schuster Audio
Availability: Amazon   Amazon UK   Amazon CA   


February 2005 : UK Audio CD
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Title: The Rule Of Four
Author(s): Dustin Thomason, Ian Caldwell
ISBN: 1-85686-708-0 / 978-1-85686-708-5 (UK edition)
Publisher: Audiobooks
Availability: Amazon UK   Amazon CA   


September 2004 : USA Audio Cassette
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Title: The Rule of Four
Author(s): Ian Caldwell, Dustin Thomason
ISBN: 0-7435-4028-X / 978-0-7435-4028-5 (USA edition)
Publisher: Simon & Schuster Audio
Availability: Amazon   Amazon UK   Amazon CA   


September 2004 : USA Audio CD
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Title: The Rule of Four
Author(s): Ian Caldwell, Dustin Thomason
ISBN: 0-7435-4029-8 / 978-0-7435-4029-2 (USA edition)
Publisher: Simon & Schuster Audio
Availability: Amazon   Amazon UK   Amazon CA   


September 2004 : USA Audio edition
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Title: The Rule of Four
Author(s): Ian Caldwell, Dustin Thomason
Publisher: Simon & Schuster Audio
Availability: Amazon   


June 2004 : USA Audio edition
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Title: The Rule of Four
Author(s): Ian Caldwell, Dustin Thomason
Publisher: Simon & Schuster Audio
Availability: Amazon   


April 2004 : USA Audio Cassette
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Title: The Rule of Four
Author(s): Ian Caldwell, Dustin Thomason, Caldwell Ian
ISBN: 0-7435-2972-3 / 978-1-4193-0927-4 (USA edition)
Publisher: Simon & Schuster
Availability: Amazon UK   Amazon CA   


May 2004 : USA Audio CD
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Title: The Rule of Four
Author(s): Ian Caldwell, Dustin Thomason
ISBN: 0-7435-2973-1 / 978-0-7435-2973-0 (USA edition)
Publisher: Simon & Schuster Audio
Availability: Amazon   Amazon UK   Amazon CA   


2004 : USA Audio CD

Title: The Rule of Four
Author(s): Dustin Thomason Ian Caldwell
ISBN: 1-4193-0930-7 / 978-1-4193-0930-4 (USA edition)
Publisher: RecordedBooks
Availability: Amazon   


Kindle Editions

March 2013 : UK Kindle edition
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Title: The Rule Of Four
Author(s): Dustin Thomason, Ian Caldwell
Publisher: Cornerstone Digital
Availability: Amazon UK   


May 2004 : USA, Canada Kindle edition
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Title: The Rule of Four: A Novel
Author(s): Ian Caldwell, Dustin Thomason
Publisher: The Dial Press
Availability: Amazon   Amazon CA