2015 McGraw-Hill Grade 3 Unit 3 Week 3, Discover the Universe, Science -- Destination Saturn (P) by Karen Alexander ***Expository Text / GR M / Benchmark 28 / Lexile 660 / Word Count: 875 ***Paired Read: Why the Stars Twinkle ***ISBN-13: 9780021192786 ***Condition: Good Used ***Pages: 20 @9x6 ASKU#