Our books are presented to you with the most up-to-date versions sent by publishers. however, in order not to be a victim in case of a change in the content, we recommend that you compare the unit title of the course you are responsible for on your student page with the unit titles in the book and study the missing changing notes from there, in case there is any change in the books, in order not to be 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.