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Ian Caldwell Books in Order

Explore Ian Caldwell’s books in publication order, with summaries of The Rule of Four, co-written with Dustin Thomason, The Fifth Gospel, and anthology work.

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Ian Caldwell books in publication order

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2 books

The Rule of Four

by Ian Caldwell

2004

Princeton students Tom Sullivan and Paul Harris approach a breakthrough in deciphering a mysterious Renaissance book. When a scholar studying the same text is murdered, their academic obsession becomes dangerous, entangling friendship, family history, and clues to a centuries-old secret.

The Fifth Gospel

by Ian Caldwell

2015

After a Vatican museum curator is murdered and his own home is attacked, Greek Catholic priest Alex Andreou investigates the connection to a forthcoming exhibit. A little-known gospel and a contested relic may explain the crimes, but his search attracts a ruthless pursuer.

Standalone Ian Caldwell books

  1. Book cover for "The Rule of Four"

    The Rule of Four

    by Ian Caldwell

    2004
  2. Book cover for "The Fifth Gospel"

    The Fifth Gospel

    by Ian Caldwell

    2015

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Richard Reis

Software engineer whose passion for tracking book recommendations from podcasts inspired the creation of MRB.

Anurag Ramdasan

Lead investor at 3one4 Capital whose startup expertise and love for books helped shape MRB and its growth.

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