From the leading conservation organization--the trail building and maintenance bible, now updated and expanded to meet new techniques and new realities of the 2

Divided into three sections, Hope, Human and Wild profiles the efforts of three caring communities to preserve wilderness and reverse environmental devastation.

Used by both the U.S. Forest and Park Services, this manual explains how to plan, build, design, and maintain trails.

This is the classic, comprehensive manual on how to build a footpath to withstand the beating of 8 million boots a year (some hitting the ground 5 million times

Built in 1976 by the Cape Cod-based New Alchemy Institute and designed in partnership with Solsearch Architects of Cambridge MA, the Ark bio-shelter was conceiv