Return of the Sewer King / by Craig Bartlett and Maggie Groening ; interiors illustrated by Tim Parsons ; cover illustrated by Tuck Tucker, Kenju Notani, and Teal Wang. Bartlett, Craig.
New York : Scholastic, c2000.
62 p. : ill. ; 20 cm.
Something strange is happening to the city's water supply, so Arnold and Gerald descend into the dark depths of the sewer system, where they meet the Sewer King again.