Librería Samer Atenea
Kálamo Books
Librería Elías (Asturias)
Librería Kolima (Madrid)
Librería Proteo (Málaga)
Whether you have a passion for mathematics or dread the thought of calculation, this book appeals to adults of all preferences and skill levels with fun, innovative puzzles. Challenge your mind and build cognition with a variety of scramblers and teasers that will keep you sharp and also entertained. Order you copy now!