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by Scott Graham

When Janelle Ortega’s cousin from Mexico is found brutally murdered at a remote petroglyph site in Saguaro National Park, she and her husband, archaeologist Chuck Bender, are drawn deep into a threatening web of hostility and deceit stretching south across the US-Mexico border and back in time a thousand years, to when the Hohokam people thrived in the Sonoran Desert.

Book 8 in Scott Graham's National Park Mystery Series introduces readers to the landscapes and cultural histories of Saguaro National Park in southern Arizona, providing an inside look at the wonders of the wildly popular national park and its archaeological and cultural complexities.

March 2023 | Fiction/Mystery | 978-1-948814-75-1 |Trade Paper | 275 pp$16.95


“Masterfully plotted in confident prose, Arches Enemy is not only an adventurous and fascinating mystery you can’t put down, it delivers important insight on ancestral cultures and their sacred lands. Only a truly gifted novelist is able to keep a reader turning pages while imparting extensive knowledge about the people, the landscape, and the park system.”
CHRISTINE CARBO, author of A Sharp Solitude 


”A glorious portrait of one of the most compelling landscapes on earth. Graham clearly knows the territory. A topnotch read.”
WILLIAM KENT KRUEGER, New York Times bestselling author of Sulfur Springs


“Filled with murder and mayhem, jealousy and good detective work—an exciting, nonstop read.”

ANNE HILLERMAN, New York Times bestselling author of Cave of Bones


“One part mystery, one part mysticism, one part mayhem—and all parts thrilling.”

CRAIG JOHNSON, New York Times bestselling author of Depth of Winter


“A winning blend of archaeology and intrigue, Graham’s series turns our national parks into places of equal parts beauty, mystery, and danger.”
EMILY LITTLEJOHN, author of Lost Lake 


“This zippy tale uses lush descriptions of natural beauty and twisted false leads to create an exciting, rewarding puzzle.”



“As always, the highlight of Graham’s National Park Mystery Series is his extensive knowledge of the parks system, its lands, and its people.” 




SCOTT GRAHAM is the author of the acclaimed National Park Mystery series, featuring archaeologist Chuck Bender and Chuck’s spouse, Janelle Ortega. In addition to the National Park Mystery series, Scott is the author of five nonfiction books, including Extreme Kids, winner of the National Outdoor Book Award. Scott is an avid outdoorsman who enjoys backpacking, river rafting, skiing, and mountaineering. He has made a living as a newspaper reporter, magazine editor, radio disk jockey, and coal-shoveling fireman on the steam-powered Durango-Silverton Narrow Gauge Railroad. He lives with his spouse, who is an emergency physician, in Durango, Colorado.

Author Website

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