Bottom of cover notes return of Herbie: "He's back again! Herbie Popnecker, the world's strangest boy, tackles the supernatural, in... 'Herbie and the Spirits!'"
Herbie is the new kid in school. He proves his bravery by going to a haunted house. Supernatural beings (a witch, a ghost, a creep, and Frankenstein) cause havoc, but prove to be no match for Herbie, his lollipops, or his magic.
During World War II, the lone survivor of a sunken American freighter washes up on an island, where he miraculously regains his youth. After making his way back to civilization, he tries to find the island again, but it has vanished.