Single item results Showing 1 - 4 of 4 Results Sort By... Title: A to Z Title: Z to A Author: A to Z Author: Z to A Newest to Oldest Oldest to Newest Results/page 50 100 150 Explorer Books (Pathfinder Social Studies: U.S. History): First Flight, 6-pack Lexile®: 680 ; DRA: 44, 45, 46, 47, 48, 49, 50 9780736241809 $61.50 Learn More Buy Explorer Books (Pioneer Social Studies: U.S. History): First Flight, 6-pack Lexile®: 440 ; DRA: 30, 31, 32, 33, 34, 35, 36, 37, 38 9780736241656 $61.50 Learn More Buy Explorer Books (Pioneer Social Studies: People and Cultures): Nature's Solutions, 6-pack Lexile®: 620 9781285347035 $61.50 Learn More Buy Explorer Books (Pioneer Social Studies: U.S. History): Imagining the Future, 6-pack Lexile®: 520 9781285346946 $61.50 Learn More Buy