2010 [Macmillan/McGraw-Hill Leveled Reader Library] Reading Grade 6 Unit 5 Week 4 / Science: Earth Science -- Antarctica: Land of Snow and Ice (Paperback) by Lana Cruce ***Informational Nonfiction / GR U / Benchmark 50 / Lexile 770 / Word Count: 1,792 ***ISBN-13: 9780022024215 ***Condition: Good Used ***Pages: 32 @6orange;6g>9x6 ASKU#