The Gruenfeld for Black repertoire. Author analyzes all possibilities of White since the 3rd move. Author writes in the preface: This book contains all my analyses, primarily done between January 2016 and January 2020... You will see lots of novelties and exciting ideas that have never been played before. I believe you will find them valuable and playable for many, many years. Remember: once you learn the Gruenfeld, you won’t need to learn any other opening! Yaroslav Zherebukh is American GM born in Ukraine in 1993, World Junior Champion in 2012, his peak rating was 2642. Further information about the book and a sample are available at thinkerspublishing.com. 2 pictures.