Who's Out There?: The Search for Extraterrestrial Life

by Thomas G. Aylesworth and Thomas Gibbons Aylesworth

Considers the possibilities of life in outer space and the increasing number of reasons for believing in its existence. This description may be from another edition of this product.

• Format: Hardcover
• Language: English
• ISBN: 0070026378
• ISBN13: 9780070026377
• Release Date: July 1975
• Publisher: McGraw-Hill Companies
• Length: 119 Pages
• Age Range: 14 to 17 years
• Grade Range: Grades 9 to 12