The Chess Puzzle, Book 4: Mastering the Positional PrinciplesKarsten Mueller, Alex MarkgrafHäftad260 kr
Bobby Fischer: The Career and Complete Games of the American World Chess ChampionKarsten MuellerHäftad436 kr
The Chesscafe Puzzle Book 3: Test and Improve Your Defensive Skill!Karsten Mueller, Merijn Van DelftHäftad304 kr