Harvey Halpern, long time canyoneer and legend, is even more incompetent than I, in the cyber world. Thus he made a request for me to post his book review. "This is a great new book by Pat Morrow (whom I’ve corresponded with) about doing technical slots in the mid 70’s. I would love to give a shout out/review on the canyon collective but don’t know how to…" Customer Review 5.0 out of 5 starsEssential reading for canyoneers ByHarvey Halpernon June 29, 2018 Verified Purchase As a long time member of the canyoneering community I was thrilled to read this fabulous book. I first came across the authors when they did an article on slot canyons for Audubon magazine back in the 1970's, and that got me interested in exploring this unusual geography. The authors have captured exactly what it was like to be on the cutting edge of exploring this unique ecosystem. This work will reside right next to Tad Nichols "Glen Canyon: Images of a Lost World", Ed Abbey's "Desert Solitaire" and Steve Allen's guide books as THE essential works that need to be on every canyoneer's bookshelf.