Mensa&Apos S Most Difficult Number Puzzles: Prove Your Logical And Numerical Abilities Against 200 Fiendish Problems Mensa Ltd Welbeck Αγγλικά Βιβλία

Prove Your Logical And Arithmetical Prowess By Solving The Exceptionally Tricky Problems In Mensa\ S Most Difficult Number Puzzles This Full-Colour Book Features A Huge Variety Of Numerical Conundrums That Are Certain To Test Even Adept Puzzlers Some – Such As Sum Skyscraper Calcudoku Will Mental Maths While Others Touchy Bridges Provide Trial For Lateral Thinking You Up Fiendish Challenge? Σελίδες: 144 Έτος Έκδοσης: 1112 Διαστάσεις: 18 4X18 4Cm