Our top 10 selection for 2011 reflects those books that are most popular through our in-school and online contractors bookstores. These books include important information for any contractor whether you’ve just gotten your contractor’s license or have been running your construction business for years. The cover general construction concepts such as estimating, print reading and how to run a successful construction business. In addition to these great books we have a wide selection of books that are specific to a variety of trade classifications including General B, C-36 Plumbing, C-39 Roofing, C-46 Solar, C-5 Carpentry and many more.  If you need construction reference books for your trade or are studying for your Trade License exam and need a little help, take a visit to the CSLS Online Bookstore or visit a school location near you.