Nancy must find the missing music tape before 3:00 on Sunday or else the ballet recital will be cancelled.

"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"--

When their friend Tina Maria Carlos tells them her family is moving away because their house is haunted, the Makers (Michael, his cousin Liv, and their friend Leo) set out to investigate--Liv believes the ghost is real and wants to prove it, but Michael is convinced that someone is creating a clever illusion, and he wants to know how and why.

Nine-year-old Shelby Holmes, the best detective in her Harlem neighborhood, and her new easy-going friend from downstairs, eleven-year-old John Watson, become partners in a dog-napping case.

"There's plenty about the grownup world that six-year-old Aoife doesn't understand. Like what happened to her big brother Theo and why her mama is in the hospital instead of home where she belongs. Uncle Donny says she just needs to be patient, but Aoife's sure her mama won't be able to come home until Aoife learns what really happened to her brother. The trouble is no one wants to talk about Theo because he was murdered. But by whom? With her imaginary...

"Michael Linden--or just Linden to his preppy boarding school pals--doesn't belong in wealthy, storied Martha's Vineyard. But when his roommate Jasper invites him to spend the end of summer at his massive beachfront home, August House, Linden tries his best to fit in. Linden wouldn't call it lying, exactly. Though it turns out August House is full of liars. Then someone is found unconscious in Jasper's pool, and everyone has something to hide--Jasper,...

""The world's greatest adolescent British chemist/busybody/sleuth" (The Seattle Times), Flavia de Luce, returns in a twisty new mystery novel from award-winning and New York Times bestselling author Alan Bradley. In the wake of an unthinkable family tragedy, twelve-year-old Flavia de Luce is struggling to fill her empty days. For a needed escape, Dogger, the loyal family servant, suggests a boating trip for Flavia and her two older sisters. As their...

Alice Jones enjoys solving math problems and little mysteries for her classmates, but now one of them has asked her to figure out how a scientist who was working on invisibility disappeared from his locked lab--and solving this problem could actually lead Alice into real danger, because someone does not want him found.