Feldman, David

Contains answers to questions such as why do ants congregate on sidewalks, why do dentist offices smell the same, and what happens to the tread that wears off tires?.

Presents researched answers to over one hundred questions on a variety of topics, such as whether identical twins have identical fingerprints, why the Pilgrims' hats had buckles, and why rice cakes hold together; and includes an index to all ten "Imponderables" books.

Contains the author's three "Imponderables" bestsellers which reveal the answers to questions such as why mayors hand out keys to the city, why yawning is contagious, and why donuts have holes.

Ponders everyday curiosities as well as questions in science, literature, and the animal world.

Gives more than 150 answers to seemingly unanswerable questions.

Provides answers to some of the mysteries of everyday life, such as why people itch, what causes the holes in Swiss cheese, and why cats do not like to swim.

A collection of answers to questions such as; why blueprints are blue, peaches are fuzzy, and how kangaroos clean their pouches.