Our popular water maps don the office walls of many in the water world, and our Layperson’s Guides are the go-to resource for impartial overviews of key water topics and landmarks across California and the Southwest.

In recognition of Earth Day and National Environmental Education Week, we’re offering a 20 percent discount through April 27 on these educational products:

• Maps & Posters, Layperson’s Guides: Discount code NEEW2024
• Map & Guide Bundles: Discount code NEEW2024-Bundles.
• Our book, Water & the Shaping of California: Discount code: NEEW2024-Book

Take advantage of our discounted prices today! Sale ends Saturday!