From Mateusz Surma, engl.
The author Mateusz Surma is a European Go professional and has published an eight-volume problem book series for players from 20th to 3rd Kyu to which this title belongs.
This volume covers 180 life-and-death problems for players from 18th to 20th Kyu, but then for training purposes well used by players of other skill levels. Five degrees stronger or weaker players can also access without hesitation.