math mysteries

The Mystery of the Haunted Dance Hall - by Charis Cotter

Gang Way! the Mystery of Magnetism! - (Scooby-Doo! Science Adventures) by Ailynn Collins (Paperback)

Snowbound Mystery - (Boxcar Children Mysteries) by Gertrude Chandler Warner (Paperback)

El Misterio de la Feria de Villarriba de Abajo / The Mystery of the Villarriba de Abajo Fair - (Sher & Lock) by Anaïs Baranda Barrios (Hardcover)

The Mystery on the Oregon Trail - (Real Kids! Real Places! (Paperback)) by Carole Marsh (Paperback)

Attack of the Killer Komodos - (A Maggie and Nate Mystery) by Summer Rachel Short (Hardcover)

The Case of the Missing Cutthroats - (Ecological Mysteries (Paperback)) by Jean Craighead George (Paperback)

The Mystery of the Morphing Hockey Stick - (Freaky Joe Club) by P J McMahon (Paperback)

The Mystery of the Stolen Statue - (Third Grade Detectives) by George E Stanley (Paperback)

The Mystery of the Strange Messages - by Enid Blyton (Paperback)

The Legend of the Howling Werewolf - (Boxcar Children Mysteries) by Gertrude Chandler Warner (Paperback)

The Mystery of the Desert Poo - (Whose Poo Is This?) by Song-Eui Park (Paperback)

Double Trouble Squared - (Starbuck Twins Mysteries) by Kathryn Lasky (Paperback)

Pale Phoenix - (Time Travel Mysteries) by Kathryn Reiss (Paperback)

The Mystery in the Snow - (Boxcar Children Mysteries) by Gertrude Chandler Warner (Paperback)

The Secret of the Old Mill - (Hardy Boys Mysteries) by Franklin W Dixon (Paperback)

December Dog - (Calendar Mysteries) by Ron Roy (Paperback)

Trapped in Clown Castle - (Batman and Scooby-Doo! Mysteries) by Michael Anthony Steele

The Mystery of Blackbeard the Pirate - (Real Kids! Real Places! (Paperback)) by Carole Marsh (Paperback)

Dicing with Disaster - (Blender Adventures) by Glenda Faye Mathes (Paperback)

Ghost and Mrs. Hobbs - (Ghost Mysteries) by Cynthia C DeFelice (Paperback)

Capital Mysteries #2 - by Ron Roy (Paperback)

Capital Mysteries #5: Who Broke Lincoln's Thumb? - by Ron Roy (Paperback)

The Happy Hollisters and the Merry-Go-Round Mystery - by Jerry West