Whenever any grandmaster of Chess is asked the question "Which Chess book helped you the most" or "To what book do you most attribute your success", the answer is almost always the same.
The name of that book is: International Grandmasters Chess Tournament Zurich 1953 by David Bronstein, which is reprinted here under the more commonly used title of World Chess Championship C.
All or almost all grandmasters say there is one book that stands above all others in leading to success over the board.
Whenever any grandmaster of Chess is asked the question "Which Chess book helped you the most" or "To what book do you most attribute your success", the answer is almost always the same