mystery and detective stories

Noelle and her friend Todd decide to investigate when her dog Rover is unjustly accused of tearing up Mrs. Ruston's tomato plants.

Third-grader Todd, suffering from a run of bad luck, brightens up when he learns that the unit on spiders he has been forced into at school--Todd hates spiders--may actually teach him a way to find the thief of his beloved baseball card collection.

Noelle and Todd hope to impress their new third grade teacher by being the first to use his clues to figure out who sent an anonymous note to another classmate.

Jigsaw Jones investigates when the champion frog in a frog-jumping contest mysteriously disappears.

On a camping trip, Jigsaw and Mila investigate the area around a nearby lake to determine if it is haunted by the Marshmallow Monster.

While visiting their friend Wallis and her adopted daughter on Mount Desert Island, Maine, Josh, Dink, and Ruth Rose investigate why three white wolf cubs were stolen, and by whom.

Jigsaw and Mila investigate the disappearance of a rare coin which Lucy gave to Bigs Maloney.

Jigsaw Jones is determined to catch the ghost which is rumored to be haunting his school.

Dink, Josh, and Ruth Rose investigate a mysterious man in black who Josh believes is a vampire.

Thomas and his bionic dog McGrowl investigate when it becomes obvious that something is not quite right at Hiram Biddle's new obedience school for dogs.