My son and his friend found this book very helpful as they studied for the Science Olympiad Invasive species event....
Age Range: 12 - 17 years
Grade Level: 7 - 9
Series: Invasive Species
Library Binding: 100 pages
Publisher: Chelsea House Pub; 1 edition (November 1, 2006)
Product Dimensions: 7 x 0.5 x 9.5 inches
Amazon Rank: 8048862
Format: PDF ePub TXT ebook
Describes the problem of invasive plants and weeds along with ways of dealing with the issue....