TY  - BOOK
AU  - Waring,Rob
ED  - National Geographic Society (U.S.)
TI  - The perfect swarm
T2  - Footprint reading library. Advanced C1
SN  - 9781424012275 (pbk.)
AV  - PE1127.A6 
PY  - 2010///
CY  - London
PB  - Heinle/Cengage Learning
KW  - Locusts
KW  - Readers
N1  - Includes 1 DVD with video and audio material in pocket inside back cover; "National Geographic"--Cover
ER  -