When their friend Sam gets a letter full of riddles from an eccentric millionaire, the Aldens are eager to help him crack the code. If Sam can solve the puzzle, he will inherit the millionaire's money! But Sam isn't the only one in town to receive a letter - and whoever solves the mystery first will win the prize!

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,...

Malcolm, a smaller than average rat, loves life at McKenna School and the secret society of classroom pets that keep children out of trouble, but when Aggy the iguana disappears Malcolm must use all of his ratty persistence to prove his innocence and save her.

Fledgling fourteen-year-old sports reporters Susan Carol and Stevie investigate suspicious activities at the Super Bowl after Stevie gets fired from his co-anchor job on a ground-breaking teen sports show.

Nate the Great: "When Nate gets an urgent call from Annie about a lost picture, he immediately plunges into his new and baffling case with the cool detachment of a Sam Spade. Nate, the boy detective who likes to work alone, solves the mystery and tracks down the culprit. In the process, he also discovers the whereabouts of Super Hex, the missing cat"--Publisher. Nate the Great goes undercover: "Nate the Great has his first night case! Somebody is...

Rendered a ghost by a bicycle accident, young Finn McAllister teams up with fellow spirit Isabella Rojas to commit invisible pranks on the living, before discovering that they cannot move on to the afterlife.

"Twelve-year-old Minerva Keen forms a detective club to uncover who is poisoning residents of her storied Chicago apartment building, knowing that any one of her neighbors could be the poisoner--or the next victim"--

Talk about a rude awakening! Things go from bad to worse when Hank and Drover wake up in the wee hours of the morning to a full-fledged invasion of the ranch. It's the coyotes, and they're set on making a take-out dinner out of the resident cat, Pete. But, when Hank does Pete a favor and prepares to join him in what promises to be the next great Battle of the Alamo, things take an even more unexpected turn. The coyotes catch sight of Drover and decide...

"Things are definitely up in the air in Odyssey! First, Wooton Bassett returns from his honeymoon with two problems, Penny is missing and he's lost his memory! While Whit, Connie, and Jason try to help Wooton find Penny, Buck Oliver rescues Jules from a crash course of disaster. And a mystery is solved only after Emily and Matthew's friendship is threatened. You'll learn the meaning of true friendship and integrity in six episodes of heart-changing,...

Frank and Joe circle a new case in the wilds of Alaska in the twenty-fourth book in the thrilling Hardy Boys Adventures series. Frank and Joe Hardy are excited when their parents' friends, the Adenshaws, invite them to come visit their home in Alaska. The brothers will have the perfect guide to explore the beautiful landscape the area is known for - their hosts' daughter, Kate. During the visit, Kate introduces the Hardys to her beloved peregrine...