Martinko lists three books in particular:
- Monica Wiedel-Lubinski and Karen Madigan. 2020. Nature Play Workshop for Families: A Guide to 40+ Outdoor Learning Experiences in All Seasons. Quarry Books.
- Rachel Jepson Wolf. 2020. The Unplugged Family Activity Book: 60+ Simple Crafts & Recipes for Year-Round Fun. Fair Winds Press
- Naomi Walmsley and Dan Westall. 2020. Urban Forest School: Outdoor Adventures and Skills for City Kids. GMC Publications Ltd
For more descriptions, see:
*Katherine Martinko, September 16, 2020, "These Nature-Based Activity Books Are Perfect for Entertaining Kids Outdoors," Treehugger.com
--https://www.treehugger.com/activity-books-for-entertaining-kids-outdoors-5078039