Captain Underpants and the Revolting Revenge of the Radioactive Robo-Boxers
4.34 average rating, · 9.4k ratings
279 reviewsTopreads score 90.9Get this book
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Not currently on a curated list. Its Topreads score of 90.9 combines the rating (4.34) with how many readers it has reached (9.4k ratings).
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Ratings and counts come from a Goodreads-derived snapshot captured 2026-07-07. Numbers change over time and may lag the source. How Topreads handles sources. View this book on Goodreads.
