Working in secret for years to solve the puzzle in the writings of the 17th-century astronomer Johannes Kepler, Ivan Volkov, after the loss of his son and Russia's invasion of Ukraine, makes the fraught decision to contact the CIA, risking his life to help stop the Doomsday clock.

Hoping to avoid punishment for breaking a beautiful tile that was his gift to a Chinese warlord, an artist suggests that the warlord hold a contest to see if anyone can mend it.

"When young attorney Becky Balwin hires Cora Felton to accompany her to New York City to meet a new client in his penthouse apartment, the Puzzle Lady jumps at the chance. Cora is just coming off a bad breakup, and finding out that Chief Harper testified at a parole hearing for a killer she helped put away, has her feeling old. But when she and Becky arrive at the apartment, they find the man is dead. There's a puzzle on his chest, and a prowler is...

Oliver has always dreamed about where he will fit. Will he be in the mane of a unicorn? The tentacle of a pirate squid? The helmet of an astronaut? When he finally goes in search of his perfect place, he finds that trying to fit in is a lot harder than he thought. But like any puzzle, a little trial and error leads to a solution, and Oliver figures out exactly where he belongs.

Fans of Neville's debut, The Eight (1988), which long before there was a Da Vinci Code featured a complex historical setting, ciphers, conspiracies, puzzles and a hunt for an object that could change the course of the world, will welcome this stellar sequel. Alexandra Solarin, child chess prodigy now grown, finds herself immersed in the Game, searching for a legendary chess set, the Montglane Service, which when assembled spells out the formula for...

The Coders uncover a clue that may lead them to Hopper's missing dad, but they may need to use Professor Bee's Turtle of Light to find him.

"Oh, let's do it!" say Kitty and Katy and Mom when a thousand-piece jigsaw puzzle mysteriously arrives in the mail. "I have time on my hands," agrees Dad. Starting in winter with the edges, by autumn they're almost done, only to discover that one piece is missing. Mom is sure that it must have accidentally gone out with the trash, so the Kellys pile into the car to comb through the local dump ("shouldn't take long"). There they uncover forgotten letters,...

Chief Harper comes to Cora Felton, asking her to solve a crossword puzzle found on the body of Old Man Overmeyer. Cora pokes into Overmeyer's death, hoping to prove he died of natural causes and soon learns the cranky hermit was the sole surviving member of a forty-year-old stock pooling agreement.

"It's been a cold, lonely winter for Cora Felton. Long distance has cooled the Puzzle Lady's on-again-off-again affair with Sergeant Crowley, and the only case Chief Harper has for her to investigate is a routine liquor store robbery. So when attorney friend Becky Baldwin ask her to check out whether Brittney Wells' philandering husband is planning to kill her to collect on a million dollar, double indemnity insurance policy, Cora jumps at the chance....

"Dana Mayo is a whiz at solving puzzles-but only the kind that appear in the daily newspaper. When it comes to matters of the heart, she doesn't have a clue. After a disastrous attempt to track down the former love of her life, Dana determines to take fate into her own hands and find a new Mr. Right-preferably one who's not already married. Soon she's spending time with Hank, a hunky contractor who is restoring a neighborhood brownstone to its former...