mystery and detective stories

Jeff, already worried about losing his place on the hockey team because of low grades, suddenly finds himself the victim of sabotage in the form of forged papers.

Encyclopedia Brown, boy detective, solves ten more mysteries. The solutions are given at the end of the book.

Idaville's secret weapon against lawbreakers, ten-year-old Encyclopedia Brown, assists the police force with ten insoluble cases. Solutions are at the back of the book.

Encyclopedia Brown, brilliant fifth-grade amateur detective, solves ten crimes. The reader may match solutions with those at the end of the book.

Idaville's ten-year-old "Sherlock Holmes" solves ten mystery cases.

Christina's summer in a spooky, isolated Victorian house with her grumpy uncle turns into a ghostly adventure.

The Alden children investigate various mix-ups at a zoo run by their grandfather's friend in an effort to save it not only from pranksters but also from the town council.

While helping run Jerry Taylor's general store, the Alden children investigate his mysterious employee Nancy.

The Alden family rents a houseboat to drift down the river, and encounters a mystery in the little towns along the river, involving a fast black car.