Wood Properties
This is the centennial edition of the USDA Forest Service Forest Products Laboratory 'Wood Handbook, Wood as an Engineering Material', published in 2010.
To download or view the textbook please click on the link below. If you would like to download the file, please right click on the link and select "Save Link as..."
The book summarizes information on wood as an engineering material. It presents properties of wood and wood-based products of particular concern to the architect and engineer, and includes discussion of designing with wood and wood-based products along with some pertinent uses.
This is a 500+ page textbook and is 15MB so will be slow to download. You can download the whole textbook or individual chapters below.