TY - BOOK AU - Waring,Rob ED - National Geographic Society (U.S.) TI - Space walk T2 - Footprint reading library. Advanced C1 SN - 9781424012244 (pbk.) AV - PE1127.A4 PY - 2010/// CY - London PB - Heinle/Cengage Learning KW - Astronautics. KW - Readers. N1 - "National Geographic"--Cover; Includes 1 DVD with video and audio material in envelope ER -