Lexile®: 660 ; DRA: 30, 31, 32, 33, 34, 35, 36, 37, 38
9780736241632Lexile®: 520 ; DRA: 30, 31, 32, 33, 34, 35, 36, 37, 38
9780736241670Lexile®: 460 ; DRA: 30, 31, 32, 33, 34, 35, 36, 37, 38
9780736241717Lexile®: 460 ; DRA: 30, 31, 32, 33, 34, 35, 36, 37, 38
9780736241694Lexile®: 440 ; DRA: 30, 31, 32, 33, 34, 35, 36, 37, 38
9780736241656Lexile®: 550 ; DRA: 30, 31, 32, 33, 34, 35, 36, 37, 38
9780736241649Lexile®: 560 ; DRA: 30, 31, 32, 33, 34, 35, 36, 37, 38
9780736241755