"Fifth-grade private eyes Logan and Gustavo use their doodling and detective skills to solve the mystery of a group of moles that have stolen the amusement park merry-go-round"--

Nate the Great and his dog Sludge look for Annie's housekey which has mysteriously disappeared.

Violet and Jessie begin an adventure when they journey to Centerville to keep Aunt Jane company on the family ranch.

When the Alden children spend a week visiting at Pilgrim Village, they uncover the mystery behind the unusual happenings at the historic site.

La nueva perrita de Katie, Koko, se ha escapado, ¡y ahora la cachorrita blanca está perdida! Pedro y Katie unen fuerzas para investigar. Están sobre la pista de Koko, pero algunas de las pistas no llevan a ningún lado. Aun así, los detectives no se dan por vencido. Después de todo, ¡resolver este misterio es la única manera de traer a Koko de vuelta a casa! When Koko, Katie's new white puppy, is scared by a noisy truck and runs away, Katie...

"In her chapter book debut, Nancy Clancy must find the culprit when a prized possession goes missing at school"--

"The Goofballs are lucky they are expert detectives when their school talent show becomes a whirlwind of mysterious events!"--