Central Kansas Library System

Seven-year-olds Bradley, Brian, Nate, and Lucy make observations and gather clues that convince them that their older siblings, cousin, and animals have been captured by hungry space aliens.

Bradley, Brian, Nate, and Lucy visit a haunted hotel on Halloween, but once inside they realize that they have seen plenty of people going in and none coming back out.

Dink and his friends use their detective skills to locate a giant emerald missing from a statue delivered to Uncle Warren's museum in New York City.

When the umpire at the baseball game fundraiser is accused of stealing a collection of autographed baseballs, Dink, Josh, and Ruth Rose try to prove his innocence.

It's November, and the younger siblings of the A to Z Mysteries detectives have a new mystery to solve. ''The twins' new neighbors are up to something! It's Thanksgiving, and a mysterious couple has moved in next door. Bradley, Brian, Nate, and Lucy must work out the clues: The neighbors have built a tall wooden fence. They've bought some strange parts for making . . . something. They've even put up a suspicious tent in their backyard, with a big,...

Someone has been stealing and leaving behind little green sneakers, so Bradley, Brian, Nate, and Lucy trail their new teacher, who wears the same shoes in normal size.