"Geopedia is a brief compendium of geological facts and lore, by the award-winning author of Timefulness"--

Marcia Bjornerud is professor of geosciences and environmental studies at Lawrence University and a contributing writer for the New Yorker, Wired, the Wall Street Journal, and the Los Angeles Times. Her books include Timefulness: How Thinking like a Geologist Can Help Save the World (Princeton). Haley Hagerman is a graphic artist and the illustrator of Timefulness.