2010 [Macmillan/McGraw-Hill Leveled Reader Library] Reading 5.2 Week 2 / Science: Being a Scientist -- Animal Observers (P) by Adam McClellan ***Informational Nonfiction / GR U / Benchmark 50 / Lexile 670 / Word Count: 1,809 ***ISBN-13: 9780022024130 ***Condition: Like New/Good Used ***Pages: 24 6x9