"The return of Cassie Dewell in Treasure State, the latest in the series that inspired the ABC hit series Big Sky, finds Cassie in Montana on the trail of a con man. Investigator Cassie Dewell--now the lead character in this year's most sensational TV crime show, Big Sky, from Big Little Lies creator David E. Kelley--is headed to Anaconda, Montana, in search of a slippery con man who has disappeared somewhere in the "treasure state". A wealthy California...

Everybody starts somewhere, and once upon a time Luigi Lemoncello was a thirteen-year-old boy in a large family who dreamed of being a showman; he gets his first chance working for a famous barker at a summer carnival where a mysterious puzzle leads him and his friends on a treasure hunt.

Eleven-year-old Chester and his classmate Skye, tasked with a complex puzzle-solving mission, discover the key to their spy assignment is to stop a heist, but cracking the code could mean finding out things are not always what they seem.

"When Abigail Holland awakes to the sound of a nighttime intruder in her rambling Denver Victorian, she knows exactly what the black shrouded figure is after--the map she recently inherited from her grandfather. Whoever he is, the man who grapples with her, then escapes, is willing to kill for the location of a treasure King Farrell hunted for more than ten years. The Devil's Gold has claimed hundreds of lives, and it was her grandfather's obsession....

"Britt Hanson embarks on a competitive scavenger hunt in England that takes her to the locations of classic British novels--and along the way, she meets a bookish British boy who is not allowed to help her with the clues but might make the trip take some unexpected turns"--

"A hapless pirate digs for rubies, pearls, and coins, but after three attempts, two naps, and one lousy map, he's unearthed nothing but a sore back and serious misgivings. Blistering barnacles! Will he ever find the treasure?" -- Back cover.

"Edgin and Holga gather their friends to win back their treasure!"--

Embarking on a class trip to Bayport Bear Park, Frank and Joe join in an exciting scavenger hunt before learning that the prizes slated for the winning team have been stolen or destroyed by an unknown culprit.

Beatrice Fletcher, great-grandniece of famous mystery writer Jessica Fletcher, is obsessed with the unsolved mysteries and murders of Cabot Cove, Maine, but this time the case becomes personal when her best friend Jackson disappears and she must rely on the help of three students from the elite Broadmoor Academy to find him.