Captain Underpants and the revolting revenge of the radioactive robo-boxers

Firefly & Fern Summary

In this hilarious installment of the Captain Underpants series, best friends George and Harold face off against radioactive robot boxers in an outrageous adventure filled with comic-style illustrations and laugh-out-loud humor. Kids will love the absurd jokes, creative storytelling, and colorful drawings that make reading feel like a fun, interactive experience. This book celebrates friendship and imagination while delivering the silly, over-the-top entertainment that has made the series beloved by millions of young readers.