George, Harold, Captain Underpants, and Sulu the bionic hamster battle the three ridiculous Robo-Boogers in an attempt to turn the Bionic Booger Boy back into Melvin Sneedly. The Seventh Epic Novel Interest Level: 3-6 Reading Level: 5.3 ATOS Book Level: 4.9 AR Interest Level: MG AR Points: 1 AR Quiz: 72761EN Reading Counts Level: 3.5 Reading Counts Points: 3 Lexile Measure: 710 Guided Reading Level: P.