Lexile®: 810 ; GR: M
9781426307416Lexile®: 710 ; GR: L
9781426307393Lexile®: 770 ; GR: L
9781426307430Lexile®: 670 ; GR: P ; DRA: 44, 45, 46, 47, 48, 49, 50
9780736241441Lexile®: 730 ; DRA: 44, 45, 46, 47, 48, 49, 50
9780736241397Lexile®: 650 ; GR: R ; DRA: 44, 45, 46, 47, 48, 49, 50
9780736241335Lexile®: 720 ; DRA: 44, 45, 46, 47, 48, 49, 50
9780736241403Lexile®: 580 ; DRA: 44, 45, 46, 47, 48, 49, 50
9780736241366DRA: 44, 45, 46, 47, 48, 49, 50
9780736241458Lexile®: 650 ; DRA: 44, 45, 46, 47, 48, 49, 50
9780736241311Lexile®: 740 ; DRA: 44, 45, 46, 47, 48, 49, 50
9780736241342Lexile®: 580 ; DRA: 44, 45, 46, 47, 48, 49, 50
9780736241434DRA: 44, 45, 46, 47, 48, 49, 50
9780736241427Lexile®: 590 ; DRA: 44, 45, 46, 47, 48, 49, 50
9780736241410Lexile®: 760 ; GR: Q ; DRA: 44, 45, 46, 47, 48, 49, 50
9780736241380Lexile®: 710
9780736287807Lexile®: 710 ; GR: O ; DRA: 44, 45, 46, 47, 48, 49, 50
9780736241625Lexile®: 640 ; DRA: 44, 45, 46, 47, 48, 49, 50
9780736241502