Lexile®: 600 ; DRA: 44, 45, 46, 47, 48, 49, 50
9780736241892 $61.50Lexile®: 400 ; DRA: 30, 31, 32, 33, 34, 35, 36, 37, 38
9780736241748 $61.50Lexile®: 660
9781285708515 $61.50Lexile®: 660
9781285412450 $10.25Lexile®: 660
9781285347608 $61.50Lexile®: 440
9781285347103 $61.50Lexile®: 950, 960, 970, 980, 990, 1000, 1010, 1020, 1030, 1040, 1050, 1060, 1070
9781285827070 $88.50Lexile®: 930, 940, 950, 960, 970, 980, 990, 1000, 1010, 1020, 1030, 1040
9781285827018 $88.50Lexile®: 990, 1000, 1010, 1020, 1030, 1040, 1050, 1060, 1070
9781285827087 $88.50