Mary-Kate and Ashley take on the Big Apple and solve a mystery at the world-famous New York City Ballet. Spot art throughout with two full-color collectors snap

Mysterious happenings at Camp Crooked Lake have the twins solving another mystery.

After being invited to the Princess Ball, the girls find out that Princess Glorianna has been kidnapped. Can Mary-Kate and Ashley find her before the kidnappers

When there's a rash of missing basset hounds, the Olsen twins--along with their own crime-solving basset, Clue--help track down the missing pups. Original.

Mary-Kate could be kicked out of the upcoming horse show if the Trenchcoat Twins do not find out who at the horseback riding school keeps putting Mary-Kate's ho