Register here to join a walking tour of Chicago’s magnificent rock carvings Saturday, July 25, 2026, 10:30 a.m. at Foster Avenue Beach. Or order my book about Chicago’s magnificent rock carvings online via eBay, read about the carvings, or check out maps and galleries for the all the most interesting carvings. Or see similar carvings in Barcelona, Spain.

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The late John Turner was a pioneering thinker about self-taught and outsider art. He wrote the first book about Howard Finster and more recently a great book about carved coconuts. His collection was remarkable, and remarkably overwhelming when taken in all in at once. But this weekend, Aug. 20-23, those in the Bay Area will have the opportunity to see it and acquire some of it. There are incredible things to be had, not just artwork but also fascinating ephemera, great books and just all kinds of cool stuff. You can seen some of it and get details here: https://addisonstudiosale.blogspot.com

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