Two sets of twins suspect their neighbors of wrong-doing when they observe the strange behavior of the couple's nephew.

Two sets of twins receive a message in a fortune cookie that warns them to beware of a man in a blue hat.

This classic reference is updated and expanded with more than 100 lists for basic skills instruction, enrichment, and just plain fun. Lists cover language arts,

Two sets of twins launch a wild chase when the "disappearing parrot" in their school talent show magic act really does disappear.

In an extraordinary day at the beach, after winning a sand castle contest, two sets of twins resolve the mystery of the disappearance of a rich woman's dog.