Librería Samer Atenea
Kálamo Books
Librería Elías (Asturias)
Librería Kolima (Madrid)
Librería Proteo (Málaga)
Cross-Swords Master Class contains strategies and tactics for playing Cross-Swords®, the Chess of crossword games. It includes a useful compendium of words containing only two letters, as well as actual game pages. All you’ll need to play are a pen or pencil, and a worthy opponent. Have fun! Play Cross-Swords!