TY  - BOOK
TI  - Are we alone in the universe?
SN  - 2737-5560
U1  - BBC Earth Ar31 2022 
PY  - 2022///
CY  - Singapore
PB  - BBC Studios UK Publishing
KW  - Solar system
N2  - The search for alien life is ramping up. But what if, instead of searching for signs of biology, we looked for something more familiar: an extraterrestrial civilisation
ER  -