When forced on a camp-out with their fathers, ten-year-olds Malcolm and Dandy seek the smelly ghost of notorious outlaw Wild Willy Wallace, who is believed to haunt his old hideout at Lake Itchyburr.

When Malcolm gets a school assignment to write a research report on a long-dead local hero who wrote a book about his adventure-packed life, he is shocked to meet the author's ghost, who reveals that he was a fake.

While his great-grandmother seeks her deceased husband, ten-year-old Malcolm and his best friend Dandy have no trouble finding a ghost on which to test Malcolm's latest gadget--a ghost zapper.

When Malcolm and Dandy discover one of the school buses is haunted, the two ghost hunters must steer the ghost away from his mission of revenge.

Mrs. Goolsby's class is on a field trip at the sugar factory when they discover the factory is haunted and Malcolm and Dandy decide to get rid of the ghost once and for all.

In this first volume of three stories, ten-year-old best friends Malcom and Dandy thwart a practical-joking poltergeist, rid the Miller house of a ghost, and get to the bottom of some unusual paranormal activity in their elementary school.

When Grandma Eunice gives Malcolm a strange bottle that she "won" during the 1939 World's Fair, it turns out to contain the ectoplasm of the performer that she tricked--so if Malcolm wants to keep his bottle he is going to have to figure out how to evict this stubborn ghost.

When Malcolm and Dandy set out to get a picture of a ghostly pirate ship, they find themselves reeled in by the pirates--and they have to agree to dig up the captain's buried treasure or they will never be allowed to leave.

When Malcolm spots an advertisement for Mystic Mack's Grow A Ghost, he jumps at the chance to have a butler ghost to do his chores and homework, and spy on his sister--but soon things start to go wrong, and this ghost proves difficult to get rid of.