Overnight, Avery Grambs went from sleeping in her car to billionaire heiress. Now ensconced in a world of opulence, riddles, danger, and family secrets, Avery is on the hunt for the one person who might hold the answers to all her question--including why eccentric billionaire Tobias Hawthorne left his entire fortune to Avery, a virtual stranger, rather than to his own daugthers and grandsons. Avery has a DNA test that proves she's not a Hawthorne...

"The 16th novel by #1 bestselling author Louise Penny finds Chief Inspector Armand Gamache of the Sûreté du Quebec investigating a sinister plot in the City of Light. On their first night in Paris, the Gamaches gather as a family for a bistro dinner with Armand's godfather, the billionaire Stephen Horowitz. Walking home together after the meal, they watch in horror as Stephen is knocked down and critically injured in what Gamache knows is no accident,...

When the ancient ruins of Atlantis are discovered along the Spanish coast, linguist and archaeologist Thomas Lourds joins a violent competition to be the first of its explorers, an effort marked by a series of puzzles that must be solved in order to gain entry into the lost civilization.

"Clayton Stumper might be in his twenties, but he dresses like your grandpa and fusses like your aunt. Abandoned at birth on the steps of the Fellowship of Puzzlemakers, he was raised by a group of eccentric enigmatologists and now finds himself among thelast survivors of a fading institution. When the esteemed crossword compiler and main maternal presence in Clayton's life, Pippa Allsbrook, passes away, she bestows her final puzzle on him: a promise...

After tracking down incredible discoveries by Einstein and Darwin, Charlie is back. This time, the great ruler Cleopatra has left behind an extremely valuable and powerful treasure, its location encoded on an ancient stone tablet. In 30 BCE, Cleopatra and her husband, Marc Antony, lost their war against Octavian for control of the Egyptian Empire. However, Cleopatra knew Octavian was really after the mysterious item that was the source of all her...

Remember, you are bound by the Official Secrets Act... Summer, 1940. Nineteen-year-old Jakob Novis and his quirky younger sister Lizzie share a love of riddles and puzzles. And now they're living inside of one. The quarrelsome siblings find themselves amidst one of the greatest secrets of World War II--Britain's eccentric codebreaking factory at Bletchley Park. As Jakob joins Bletchley's top minds to crack the Nazi's Enigma cipher, fourteen-year-old...

From the time she was a young girl, Luisa Voekler has loved solving puzzles and cracking codes. Brilliant and logical, she's expected to quickly climb the career ladder at the CIA. But while her coworkers have moved on to thrilling Cold War assignments--especially in the exhilarating era of the late 1980s--Luisa's work remains stuck in the past decoding messages from World War II. Journalist Haris Voekler grew up a proud East Berliner. But as his...

On an island nation in the Indian Ocean, the explorers venture through a vast underwater world and take part in a friendly robotics competition. But the tides of good fortune change quickly. Suddenly, Team Cousteau jumps into action to rescue a faculty member from the brink of death. Meanwhile, the team follows the Cruz's mother's clues to a magnificent tomb and center of spirituality precariously perched on the side of a cliff. There, Cruz is confronted...