In the Heart of the Sea: The Tragedy of the Whaleship Essex by Nathaniel Philbrick. Amazing true story of a Nantucket whaleship being rammed by an 85-foot whale, sinking, and lifeboat survivor cannibalism.
The Brendan Voyage by Tim Severin and Malachy McCourt. Epic adventure, re-creation (in the 1970s) of what is believed to have been the voyage of a sixth century Irish monk across the Atlantic (1000 years before Columbus) in an open, leather-skinned two-masted sailboat.
Mingming & the Tonic of Wilderness by Roger D. Taylor. Single-handed sailing for four months in the North Atlantic in a tiny junk-rigged yacht.