In 2003, the first human genome was sequenced. But the secrets it held were never revealed. The truth was discovered thirty years ago, almost by accident. Dr. Paul Kraus had spent his entire career searching for what he called humanity's lost tribes -- human ancestors who had gone extinct. When Kraus compared the DNA samples of the lost tribes with our own, he found a pattern of changes: a code. At the time, the technology didn't exist to unravel...

When Bertie the badger visits his grandfather at a retirement home for magicians, he learns that his grandfather's rabbit, Enigma, has disappeared along with everyone's magical things, and the reader is invited to help break a code to find the items hidden throughout the book. Includes a built-in decoder.

Jax and Ethan must decode an ancient Greek cipher to uncover the location of two magical urns before the urns are used to remove all faith and love from the world.

Using their code-breaking skills, four middle-schoolers solve the mystery of the eccentric man who draws stick figures on his second-floor bedroom window.

Shaken by a shocking loss, Amy and Dan flee to an exotic land and trace the footsteps of their most formidable ancestor yet: a military leader of mythic proportions.

Throughout the hunt for the 39 Clues, Amy and Dan Cahill have uncovered history's greatest mysteries and their family's deadliest secrets. But are they ready to face the truth about the Cahills and the key to their unmatched power? After a whirlwind race that's taken them across five continents, Amy and Dan face the most the difficult challenge yet -- a task no Cahill dared to imagine. When faced with a choice that could change the future of the world,...

While walking her poodle, Olivia Limoges discovers a dead body buried in the sand. Could the body be connected to the bizarre burglaries plaguing Oyster Bay, North Carolina? Can the Bayside Books Writers group decode the cliché clues left by the thieves?

Suspense thriller about the discovery of the Bible's intangible secrets and hidden messages and the fight to control the world before the end of days.

Describes the work and personalities of the codebreakers who deciphered Japanese codes despite vast linguistic differences between English and Japanese, and explains their contributions to Allied success during World War II.