Water resources
By: content consultant, Andrew J. Milson, Ph. D.
Contributors: National Geographic Learning (Firm)
Series: Global issues
Publisher: National Geographic Learning; National Geographic School Pub
Published: 2014
Place of publication: Independence, KY]
Language: eng
ISBN-13: 9780736297493; 9780736297486; 9780736297509
Subjects: Water-supply; Juvenile literature; Study and teaching (Middle school); Textbooks; Social sciences
Other titles: National Geographic :
Notes: Includes index.

"Three reading levels (on level, below level, and above level) to reach every student"--Publisher's Web site.

Grades: 5-8.
Table of contents: title: [vol. 1]: grade 5 reading level (blue); title: [vol. 2]: grades 6-7 reading level (orange); title: [vol. 3]: grade 8 reading level (green).