Levy, Elizabeth

The mysterious kidnapping of Fletcher, the inert Bassett hound, leads Jill and Gwen on a frantic search that ends up in front of a TV camera shooting a dog food commercial.

Gwen and Jill's discovery of some mutilated library books strangely links up with a dog show in which they have entered their dog.

Brian and his younger sister Penny try to catch the mischievous person who has been sabotaging School Spirit Week.

Charlene's story is voted best in the class, but when she goes to read it at Parents' Night, it has vanished from her folder.

When someone takes Justin's karate belt, his friends in Invisible Inc. try to determine a motive as they investigate the mystery.

When the Invisible, Inc. gang makes computer greeting cards to raise money to invite an author to school, they solve the mystery of the author's real name.

The invisible boy, Chip, intends to enter his invisible dog, Max, in the dog show, but when Max is lost, Chip and his Invisible Inc. friends suspect foul play.

Chip, an invisible boy, and his friends solve the mystery of who took the school ball from the playground.