Pima County’s work over more than 50 years protecting open space, wildlife corridors, and large swaths of pristine Sonoran Desert is the focus of a new book by local author, photographer, and essayist Stephen Strom. He’ll participate in a panel discussion and sign copies of his book, Forging a Sustainable Southwest, on Monday, Nov. 4, from 10 a.m. to noon in the Copper Room of the Pima County Historic Courthouse, 115 N. Church Ave.