Mystery Map
Franklin W. Dixon
Brothers Frank and Joe Hardy and their elementary school friends help them track down what they hope is a treasure after they find a mysterious map.

by Linda Lee Maifair (1996)
When snacks and candies disappear from the shelves at Remington's Grocery Store, detective D.J. Doyle takes on the case and makes a new friend in the process.
Franklin W. Dixon
Brothers Frank and Joe Hardy and their elementary school friends help them track down what they hope is a treasure after they find a mysterious map.
Donald J. Sobol
Idaville's secret weapon against lawbreakers, ten-year-old Leroy "Encyclopedia" Brown, helps the police force solve ten new cases, the solutions to which are found in the back of the book.
Donald J. Sobol
America's Sherlock Holmes in sneakers continues his war on crime in ten more cases, the solutions to which are found in the back of the book.
Gloria Skurzynski and Alane Ferguson
While visiting the Everglades National Park with their parents, the Landon children uncover the mystery of dying manatees and learn important lessons about the natural environment.