View Spread What Are Natural Resources? Real Life Readers RL Grades 2-3 IL Grades 2-3 GRL F Details: Product type: Paperback Book eBook 6-Pack ISBN: 978-1-4042-7953-7 Author: Nolan Robert Copyright: 2009 Reading Level: Grades 2-3 Interest Level: Grades 2-3 GRL: F Lexile: 440L Dimensions: 7 1/8" x 8 1/2" Paperback Book — $6.90 / $5.90 eBook — $18.88 / $16.05 6-Pack — $41.40 / $35.40