Operation Ivy Bells

A Mac McDowell Mission

By: Robert G. Williscroft

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Paperback | 7 June 2025

At a Glance

Paperback
354 Pages

Dimensions(cm)
22.86 x 15.24 x 2.44

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$34.75

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Saturation Dive Team Officer-in-Charge (OIC) Mac McDowell faces his greatest challenge yet, leading the team into a critical Cold War mission. With a security clearance above Top Secret, Mac and his off-the-books deep-water espionage group must gather Russian intel to avert world war. Join nuclear-submariner Mac as he extreme-dives to a thousand feet, battles giant squids, and proves what brave men can achieve under real pressure, the kind that will steal your air and crush the life out of you.

Operation Ivy Bells: A Mac McDowell Missionupdates the popular bestseller by Robert G. Williscroft, a lifelong adventurer who blends his own experiences with real events to craft a military thriller that will take your breath away.

Industry Reviews

"Robert Williscroft has produced quite a sea story, a colorful and enjoyable work that explains one of the little-known successes of the Cold War, with plenty of fascinating detail about submarine and diving operations."

— Tom Bowman
NPR Pentagon Reporter

"Action-adventure stories about submarines and diving have become a popular genre. Tom Clancy and Clive Cussler come to mind as exemplars. But Robert Williscroft really raises the bar with this book. Not only is he an outstanding writer, but he is also a ‘doer,’ having participated in the events in Operation Ivy Bells: A Mac McDowell Mission.”

—Captain Don Walsh, USN, PhD
U.S. Navy Submersible Pilot #1

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