Are Extraterrestrials a Threat to Humankind?

by Toney Allman

What would be the impact for Earth if or when humankind encounters extraterrestrial life? Whether that alien life is microscopic or sentient, discovered through human exploration or by an alien... This description may be from another edition of this product.

• Format: Library Binding
• Language: English
• ISBN: 1601521707
• ISBN13: 9781601521705
• Release Date: August 2011
• Publisher: Referencepoint Press
• Length: 80 Pages
• Weight: 0.65 lbs.
• Dimensions: 0.4" x 6.5" x 9.3"
• Age Range: 12 to 16 years
• Grade Range: Grades 7 to 11