A young fly discovers, day by day, that there is a lot to learn about being an insect, including the dangers of flyswatters and that heroes come in all shapes and sizes.

In this level 1-2 beginning reader a pet fly searches for his favorite brown, oozy, lumpy, smelly food.

While playing hide-and-seek with Buzz, Fly Guy is taken away by a garbage man.

Fly Guy unintentionally joins Buzz at school, and then goes with his class on a field trip to a fly swatter factory.

When Fly Guy snacks from a radioactive trash can, he grows until he is fifty feet tall--and Buzz has to find out a way to counteract the effect before the army attacks his pet.

When he learns that Fly Guy misses his family, Buzz decides to throw a surprise party for him and invites all of Fly Guy's five hundred relatives.

Buzz is writing a fairy tale for homework, and Fly Guy naturally assumes the role of a handsome prince, who fends off a giant and rescues a beautiful princess.

Fly Guy visits the school cafeteria and gets the lunch lady fired.

It is Christmas Eve and Fly Guy realizes that he does not have a present to give to his best friend Buzz--but when he looks around the house searching for something suitable he discovers a stranger in a red suit, and decides to attack with some ninja moves.