Footprint Reading Library 3000: The Perfect Swarm Book With Multi-rom (x1)
Artikelnummer: 9781424022427
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?
