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.

Sophie and her friends, who call themselves The Red Blazer Girls, embark on solving a case involving mistaken identities, switched paintings, and some priceless family heirlooms.

When he finds a torn piece of paper with only part of a word on it, boy detective Nate sets out to find the missing pieces.

When a Connecticut teenager inherits vast wealth and an eccentric estate from the richest man in Texas, she must also live with his surviving family and solve a series of puzzles to discover how she earned her inheritance.

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.

"A playful guessing game set in a snowy landscape"--

Invites the reader to look for various vehicles and related items hidden or camouflaged in the illustrations.

"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,...

Four brief "stories" about parents, trains, and cows, or is it really all one story? The author recommends careful inspection of words and pictures to both minimize and enhance confusion.

"When Adele and Simon take a tour of China in 1905, Simon misplaces his belongings, one by one ... but they all show up later, revealing their hiding places in Adele's souvenir photographs of the trip"--