It’s the most-frequented room in the house-but how much do you really know about it? The Bathroom Companion is filled with interesting trivia from history, science, and pop culture, as well as toilet tales from around the world. You’ll discover:

(1) What the first toothbrushes were made from.
(2) Who invented the modern flushing toilet.
(3) How much floss the average person uses in a year.
(4) The musical note most toilets flush on.
(5) How to say “Where’s the bathroom?” in Swahili.