M?s all? de la Tierra: Vivir en otro planeta (After Earth: Living on a Different Planet)
Historietas Juveniles: Peligros del medioambiente (Jr. Graphic Environmental Dangers)
What would happen if we someday needed to leave Earth and find somewhere else to live? This book takes a look at the options, how we could get to that point, and how we can all help make sure Earth remains our home.
