Gretchen N. Peterson

Gretchen Peterson is the author of the best-selling City Maps: A Coloring Book For Adults, GIS Cartography: A Guide to Effective Map Design, and Cartographer’s Toolkit: Colors, Typography, Patterns, as well as co-author of QGIS Map Design. A cartographer who has contributed to some of the largest maps in the world—including Wikimedia, Snapchat, Meta, Microsoft, and Amazon—she transforms how we see the world, one map at a time.