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The Perfect Swarm + Book with Multi-ROM: Footprint Reading Library 3000 New edition
National Geographic
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The Perfect Swarm + Book with Multi-ROM: Footprint Reading Library 3000 New edition
National Geographic
In the 1800s, the Rocky Mountain locust brought massive destruction to Western settlers. Then, the insects suddenly disappeared-almost without a trace. Now scientists hope to find a reason for the locust's extinction. What caused the Rocky Mountain locust to disappear? Where will the scientists find the answers?
48 pages
| Media | Books Book |
| Released | August 7, 2009 |
| ISBN13 | 9781424022427 |
| Publishers | Cengage Learning, Inc |
| Pages | 24 |
| Dimensions | 210 × 149 × 6 mm · 114 g |
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