This book is titled Illustrated Guide To The National Electrical Code by Charles Miller and is nearly identical to the more currently released editions such as ISBN 1337101974 or ISBN 9781337101974 or the 7th edition or any other more recent edition. This is the 4th edition and we have reviewed it specifically to confirm that it contains nearly the exact same content as the newest edition, and can thus easily be used for your class. We pride ourselves in our extensive experience in tracking prior editions that can be used as a substitute for the most current and much more expensive editions. And our large base of repeat customers is a great indication that it works time and time again. Choose priority shipping upon checkout for fastest shipping speeds. We ship fast, we are based in the US and we ship to nearly ALL INTERNATIONAL locations too! And if you are shopping for more than one textbook, be sure to select the Search Store box above to search for more of your books within our massive inventory (we carry most textbooks) and save even more. We simply strive to provide students and professionals with the best prices on books and textbooks available online. By shopping with us you will find that it is possible to get your textbooks at affordable prices. We are a proven seller with a long track record of positive customer experiences and we take pride in fast delivery of affordable books to students across the US and to nearly all International countries too.