This book was written primarily for students of forestry to whom a knowledge of the technical properties of wood is essential. The mechanics involved is reduced to the simplest terms and without reference to higher mathematics with which the students rarely are familiar. The intention throughout has been to avoid all unnecessarily technical language and descriptions thereby making the subject-matter readily available to every one interested in wood.Part I is devoted to a discussion of the mechanical properties of wood the relation of wood material to stresses and strains. Much of the subject-matter is merely elementary mechanics of materials in general though written with reference to wood in particular. Numerous tables are included showing the various strength values of many of the more important American woods.