Whistling Thorn cover

Reading Metrics

Grade Level Middle Grades (MG 4-8)
Book Level 3.7
Points 0.5
Fiction/Nonfiction Nonfiction
Word Count 295
Points per Word 0.001695
Page Count 40
Points per Page 0.0125

Description

Explains how the acacia evolved its own protection against browsing animals and helped create a balanced natural environment.