Cover of book The Genius of Birds by Jennifer Ackerman

The Genius of Birds

Total words: 167
Unique words: 506

Cover of book Woman: An Intimate Geography by Natalie Angier

Woman: An Intimate Geography

Total words: 16
Unique words: 521

Cover of book Mission to Mars: My Vision for Space Exploration by Buzz Aldrin

Mission to Mars: My Vision for Space Exploration

Total words: 588
Unique words: 464

Comet

Rating: +7 (from 7 votes)

Cover of book Comet by Carl Sagan

Comet

Total words: 810
Unique words: 652

Cover of book Scientific Creationism by Henry M. Morris

Scientific Creationism

Total words: 918
Unique words: 653