Some investigations belong together. Explore the Cryptid Response Unit's multi-book editions, from three-mission collections to the first ten operations in one volume.
Discover the mainline in larger bundles or choose a collection of consecutive missions. Book contents are shown for each edition.
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Books 1–10
Ten complete investigations, beginning with The Appalachian Shadow and continuing through The Yukon Ice Stalker. Follow Ethan Cole's early CRU cases across mountain forests, swamps, coastal waterways, desert ridges, and northern winter country.
Books 1–5
Start at the beginning with Ethan Cole's first five investigations, from the Appalachian ridges and Ozark valleys to the Michigan forests, New Jersey's Pine Barrens, and Louisiana's bayous.
Books 6–10
Five consecutive CRU cases take you through the Everglades, Beaufort Inlet, the Texas Hill Country, Arizona mountain ridges, and the frozen Yukon. Continue Ethan Cole's investigations with books six through ten.
Books 1–3
Three opening CRU investigations in one volume: The Appalachian Shadow, The Ozark Howler, and The Michigan Dogman. Follow Ethan Cole from unexplained Appalachian fatalities through violent attacks in the Ozarks and a disappearance in Michigan's cold timber.
Books 4–6
Three complete cases take Ethan Cole from the Pine Barrens of New Jersey to Louisiana's flooded bayous and the dangerous waterways of the Florida Everglades. Includes The Pine Barrens Devil, The Louisiana Rougarou, and The Everglades Predator.
Books 7–9
Follow three investigations across dramatically different terrain: a lethal attack near Beaufort Inlet, an elusive predator in the Texas Hill Country, and a mountain-pass incident in Arizona. Includes CRU missions seven through nine.
Books 10–12
The trail leads from a deserted Yukon logging site to an abandoned survey camp in Idaho and the towering redwoods of Northern California. Three complete Ethan Cole investigations collected together: missions ten, eleven, and twelve.
Books 13–15
An underground mystery in the New Mexico lava fields, a disturbing winter search in Minnesota, and a violent encounter on a Maine logging road. Three complete CRU investigations, books thirteen through fifteen, in one volume.
Books 16–18
Follow Ethan Cole beneath Kentucky limestone, into flooded Arkansas river bottoms, and through an Oregon ravine marked by impossible evidence. Three complete cases from CRU missions sixteen, seventeen, and eighteen.
Prefer two investigations at a time? These paired editions offer another way into the CRU case archive.
Books 1–2
The first two Ethan Cole investigations together: The Appalachian Shadow and The Ozark Howler. Begin with deadly attacks in the Appalachian ridges, then follow the evidence into the Ozark valleys.
Books 3–4
Two complete cases in one edition: The Michigan Dogman and The Pine Barrens Devil. A missing hunter in northern Michigan and vanished hikers in New Jersey put Ethan Cole on the trail of two enduring legends.
Books 5–6
Two investigations across the wetlands of the American South: The Louisiana Rougarou and The Everglades Predator. Missing fishermen, dangerous channels, and thick sawgrass complicate Ethan Cole's search for answers.
Books 7–8
Two complete CRU investigations: The Beaufort Inlet Predator and The Hill Country Stalker. Ethan Cole confronts a lethal underwater mystery on the North Carolina coast and troubling predator evidence in Texas ranch country. Amazon purchase link pending.