Return of the Sewer King(2000)
(The second book in the Hey Arnold! series)
A Chapter Book by Craig Bartlett
Something strange is happening to the city's water supply, and it's up to Arnold and Gerald to get to the bottom of it. But when they descend to the dark depths of the sewer system and see the Sewer King, an even bigger mystery unfolds. Will Arnold and Gerald be able to save the city's water supply before it's too late? Find out in this gripping adventure!
Used availability for Craig Bartlett's Return of the Sewer King
September 2000 : USA Library Binding
August 2000 : USA Paperback
January 2000 : USA Mass Market Paperback