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While sitting in detention, George and Harold accidentally create an army of evil talking toilets, and Principal Krupp's alter ego, Captain Underpants, has to save the world from it.

Explains how toilets and sewage systems function and take readers on a behind-the-scenes tour of sewers and water treatment plants.

Briefly describes how toilets are used to get rid of waste and how sewage is treated.

Principal Krupp once again turns into the superhero Captain Underpants in order to save the world, and Jerome Horwitz Elementary School, from the evil talking toilets and the Turbo Toilet 2000.

Principal Krupp once again turns into the superhero Captain Underpants in order to save the world, and Jerome Horwitz Elementary School, from the evil talking toilets and the Turbo Toilet 2000.

Illustrations and rhyming text describe the history of toilets and the disposal of human waste.

Chronicles the evolution of waste disposal throughout the ages, answers a variety of related questions, and includes photographs and illustrations.

Explores the history of the toilet from ancient times, and how people dealt with human waste before its invention.

A spoof of the Goosebumps series in which aliens use a toilet bowl to take control of Joe's family, and he has to douse the smelly leader with a good spray of Darling Debbie disinfectant to melt the creature to a gooey mess.

A history of bathroom facilities from Sumerian and Roman times to the present.

Humorous fiction. George and Harold (the co-stars of the enormously popular Captain Underpants series) are in big trouble again! Their mean principal, Mr Krupp, has had it with their comic books.

Uses humor in both text and illustrations to describe what it would be like to live without the toilet and describes how people managed to dispose of their waste in the past.

Examines the history of the toilet and other systems for the disposal of human waste, and discusses the current health issues that arise from improper sewage treatment and disposal around the world.