The listing, THE HANDY SCIENCE ANSWER BOOK has ended.
paperback - 520 pages - how does an emerald get its color - why do humans have wisdom teeth - how many eggs does a spider lay - sections on:physics&chemistry, space, plant world, animal world, human body, health&medicine, weights,measures, time, tools&weapons, buildings, bridges&other structures, boats, trains,cars&plants, communications, general science&technology - - check amazon.com to see a few pages