James Doulgeris

The Dyodyne Experiment

James Doulgeris

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The Dyodyne Experiment: Imagine the first DNA tracking device delivered using a Genetically Engineered Virus.

James Doulgeris

$17.79

The No Matter Matter - Billy Hatcher Mysteries Cryptogram: Enjoy Who Done It Murder Mysteries? You'll Love this Large Print Who Done It Puzzle Book (Cryptogram)

James Doulgeris

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The Missing Miss Matter - Billy Hatcher Mysteries: Cryptogram Puzzle Books - Murder Mystery Puzzle Book

James Doulgeris

$14.19

The Crafty Chemist Matter - Billy Hatcher Mysteries - Cryptogram: Cryptogram puzzle books for adults - Murder Mystery Puzzle Book

James Doulgeris

$14.19

The Replicant Affair - Des Hatcher Tales from Tomorrow Cryptogram: cryptograms puzzle books for adults and Sci Fi Lovers Cryptography Puzzles

James Doulgeris

$11.64

The Midnight Sun Matter - Billy Hatcher Mysteries: Cryptogram Puzzle Books - Murder Mystery Puzzle Book

James Doulgeris

$12.99 - $14.19

The Merry Go Round Matter- Billy Hatcher Mysteries: Cryptogram Puzzle Books - Murder Mystery Puzzle Book

James Doulgeris

$14.19