Konstantin Sakaev is a Grandmaster and a former Russian Champion. He won Olympiad gold in 1998 and 2000 with the Russian team and he has assisted World Champion Vladimir Kramnik as his second. Konstantin Landa is a Russian Grandmaster and a FIDE Senior Trainer.
"The authors treat you seriously. I really enjoyed going through the book, it has a lot of examples that I didn't know (..). An excellent book, you can't get better than the Russian school of chess."--Daniel King, Grand Master, creator of the Power Play DVD Series