2006 Macmillan/McGraw-Hill Leveled Reader Library 5.6, Week 5, Science: Ecosystems -- Under the Sea (P) by Melissa McDaniel ***Informational Nonfiction, GR U, Benchmark 50, Lexile 750, Word Count: 2,020 ***ISBN-13: 9780021942930 ***Condition: Like New/Good Used ***24 Pages @mcghbox5.1>mchg.read 9x6