The exercises in Part 2 avoid unnecessary lifting of the fingers. The philosophy relies on the natural weight of the arm and the arch of the hand. The goal is a technique based on relaxation and weight transfer rather than muscular isolation.
While a PDF offers portability, most teachers recommend the physical Boosey & Hawkes edition because the high-quality printing makes it easier to read complex fingerings and annotations. the russian school of piano playing book 1 part 2 pdf
The book begins with exercises specifically designed to teach the "transfer" of sound. The exercises in Part 2 avoid unnecessary lifting