Our books are presented to you with the most up-to-date versions sent by publishers. however, in case there is a change, we recommend that you compare the unit title of the course you are responsible for with the unit titles in the book and study the missing changing notes from there, in case of any changes in the books so that you do not become a victim. This publication is ideal for readers seeking insightful and educational content. Prepared by experienced authors and printed with high-quality materials. Great for students, educators, and curious minds.