When Billy enters a bet with his friend, Alan, in hopes of winning $50 so he can buy a minibike, he must eat fifteen worms in fifteen days, but Billy soon learns that Alan may not pay up even though Billy has courageously eaten the worms.

By flipping the pages, the reader may view animated illustrations that follow Ricky Ricotta, a small mouse, his giant flying robot, and his annoying cousin Lucy, as they battle the nightcrawlers from Neptune that are invading through a wormhole.

Worm makes a surprising discovery -- teachers have birthdays! That means Worm and his friends have to find the perfect present for their teacher, Mrs. Mulch.

On a slightly scary camping trip to study stars in the night sky, Owly and Wormy make new friends.

Rhyming text describes how Superworm's bug friends try to save him from the clutches of Wizard Lizard who, having heard of Superworm's wondrous and heroic deeds, captures him and forces him to dig for treasure.

Tiger unwittingly helps some worms overcome their fear of tigers with a well-placed, informative book, but will a wormy hug aid a fearful Tiger?

Diary of a fly: The day-to-day existence of a little fly that wants to be a superhero and is not afraid to dream big, really big!; Diary of a spider: This portrait of an upside-down web world will have kids wishing they could be spiders too!; Diary of a worm: A hysterical journal about the daily doings and the hidden world of a lovable underground dweller that will be sure to delight kids both young and old.

With help from her Grandma Barb, Marty builds a habitat for worms in her school cafeteria as part of the Save the Earth Project.

Otto the worm is shocked to discover that his best friend Bob is actually a caterpillar who emerges one day as a butterfly.

The continuing antics of best friends Snail and Worm.