Small enough to sit on the back of the tank in the guest Powder Room, but large enough to flush out answers to toilet questions pondered by young and old alike: Where did the lighthouse keeper go potty? When was toilet paper invented? How have space toilets evolved to be more inclusive for women astronauts? Why is the toilet sometimes called a john? Each entry in this pictorial A-to-Z guide reveals an aspect of these everyday marvels appreciated by those on the go.
Les informations fournies dans la section « Synopsis » peuvent faire référence à une autre édition de ce titre.