All Elevations Unknown: An Adventure in the Heart of Borneo

“Sam Lightner, Jr., combines two tales of adventure, one historic and the other modern-day in his page-turner . . . With its rich sense of place and history, All Elevations Unknown offers a surprisingly fresh twist to an adventure-climbing tale.” –Climbing Magazine

In the spring of 1999, armed with little more than a description from a book and a map labeled “all elevations unknown,” Sam Lightner and his German rock-climbing buddy, Volker, found themselves deep in the jungles of Borneo on a ...