Hello Who's There?

by Don Dwiggins

Speculates on the existence of extraterrestrial life and describes our exploration of space in search of such life. This description may be from another edition of this product.

• Format: Hardcover
• Language: English
• ISBN: 0399612289
• ISBN13: 9780399612282
• Release Date: January 1989
• Publisher: Putnam Publishing Group
• Length: 112 Pages
• Age Range: 4 to 13 years
• Grade Range: Preschool to Grade 8