This book is a teaching aid for quick, smart, and in-depth understanding and assimilation of the material.
Its topics are original or consist of original and clever combinations.
At many points, reversals are attempted and achieved, or new ideas are presented.
It can serve as an independent book for the initial study of the material, as the 140 topics of the book cover the entire material.
It contains detailed solutions given in the way the student should answer in exams.