Intrepid Explorer: The Autobiography of the World's Best Mine Finder." David will be autographing copies on Sunday, March 15, from 10:30 - 11 a.m.
Save 25% on all books at the UA Press website with discount code AZTFOB15. The discount is good through March 16. If you aren't attending the book festival, you can order online.
Tarbellastraea raulini Coral Fossil
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