Relates how Mac, the apple, and Will, the worm, become friends.

Worm enjoys school and is trying to think of the perfect present to give his teacher, Mrs. Mulch, on her birthday.

A skill-building reader starring Worm finds him taking a turn caring for a class pet gnat that accidentally escapes from its tank.

Good friends Owly and Wormy are disappointed when their new plant attracts fat, green, bug-like things, instead of butterflies, until a metamorphosis occurs.

Alexander and his new friend, Rip, are worried that the worms the rain has brought out are really the megaworms that Notebook of Doom describes but they soon discover that the night crawlers are trying to warn them about the monster tunnel fish that are threatening Stermont Elementary.

Upset at being called "just a worm," worm sets out around the garden to find out what the other insects do, and discover his own role in keeping the garden healthy.

Two worms in love decide to get married, and with help from Cricket, Beetle, Spider, and the Bees they have everything they need and more, but which one will be the bride and which the groom?

Snail and Worm are best friends who support each other during a silly game of tag, through Snail's adventure up a flower stalk, and when Worm's pet goes missing.

Worm sets out to make a sandwich, but first must compost food scraps into soil, to plant a seed in, to grow the vegetables to put into the sandwich. Includes backmatter on composting.