ENERGY-SAVING HOUSES & DESIGNING AND BUILDING YOUR OWN HOUSE YOUR OWN WAY. (2-BOOKS). These books were bought from the original Lee Valley Tools in Ottawa, Ontario. They contain a lot of information, photographs, designs and plans to help you understand the process if you decide to build your own house, or just interested in the process. They are a very interesting read. One book has 126 pages, the other book has 420 pages. Both books 8 1/2 x 11 inches. Both books are in excellent condition. PRICE FOR THE 2 BOOKS: $20.00