"The Summer Camp Mystery" The Aldens are spending a week at Camp Seagull on beautiful Claw Island. But as soon as camp begins, they realize that someone is not playing fair. Are some campers so desperate to win the Olympics that they are willing to cheat? The Boxcar Children are determined to solve the mystery before the competition is ruined for everyone "The Copycat Mystery" The Alden children are going back in time by helping at an old Victorian house that has been turned into a museum. But rumor has it that the place is haunted by the spirit of practical joker Horace Wagner Is there really a ghost?"The Haunted Clock Tower Mystery" The Aldens are spending a weekend at Goldwin University for Grandfather's college reunion. The children are fascinated by the mysterious clock tower overshadowing campus and they soon learn that the tower might hold the key to a valuable secret from the past But there are strange lights coming from the clock tower at night. Is it haunted? Or is someone else searching for the secret of Goldwin University?