As one of the core study items for the CPSM® Exams, the ISM Professional Series e-book, Volume 1 — Foundation of Supply Management, is one of the most critical materials to use during your CPSM® Exam preparation. The ISM Professional Series focuses on challenges, goals and integrated skill sets needed to be successful in strategic supply management. It goes deeper into explanations of the topics covered in CPSM® Exam 1. This is one of three volumes, with one volume available to purchase for each of the three exams (E-book version is only sold individually. Print version is available individually or as a set.). The series draws from all industries and levels, formulating a macro view of the profession.