2010 [Macmillan/McGraw-Hill Leveled Reader Library] Reading 3.5 Week 3 / Science: Ecosystems -- Aliens in the Waters (P) by Doris Licameli ***Informational Nonfiction / GR P / Benchmark 38 / Lexile 690 / Word Count: 1,272 ***ISBN-13: 9780022023874 ***Condition: Like New/Good Used ***Pages: 24 6x9