The World Book Encyclopedia, 2018, is a general A-Z look-up source in 22 hard-cover volumes full of accurate and trustworthy facts. Whether you are proving a point during a dinner-table discussion or checking a fact for a homework assignment, answers are here! Tens of thousands of index entries make it easy for you to find information wherever it is in the set. Abundant colorful photos, diagrams, charts, tables, and maps supplement the easy-to-read...