Math in Our World by Allan G. Bluman and David Sobecki (2015, Hardcover). This is for the THIRD EDITION of the textbook and it was NEVER USED, being how I bought this for a class that I dropped. Although the textbook is in EXCELLENT CONDITION, it does still show MILD WEAR from STORAGE & AGE, Please see photos in order to better judge the overall condition for yourself. 13-ISBN: 9780073519678