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A review by williamsdebbied
Captain Underpants and the Big Bad Battle of the Bionic Booger Boy, Part 2: Revenge of the Ridiculous Robo-Boogers by Dav Pilkey
4.0
Book seven in the Captain Underpants series.
Harold and George thought that the Combine-O-Tron had put everything back to normal. Unfortunately, there was one minor glitch: Mr. Krupp's and Melvin's brains have been switched. Melvin schemes to keep all of Captain Underpants' powers for himself.
Harold and George thought that the Combine-O-Tron had put everything back to normal. Unfortunately, there was one minor glitch: Mr. Krupp's and Melvin's brains have been switched. Melvin schemes to keep all of Captain Underpants' powers for himself.