All / Mathematics / Logic

Samurai Su Doku Vol 11 - 100 extreme puzzles for the fearless Su Doku warrior (The Times Su Doku)

Times Mind Games The

Godel, Escher, Bach : An Eternal Golden Braid

Douglas Hofstadter

Su Doku Challenge Vol 05 - 200 Su Doku puzzles (Collins Su Doku)

Puzzles Collins

Big Bk Of Su Doku 8 - 300 Su Doku puzzles (Collins Su Doku)

Puzzles Collins

Big Bk Of Su Doku Vol 09 - 300 Su Doku puzzles (Collins Su Doku)

Puzzles Collins

The Language Lover's Puzzle Book - A World Tour of Languages and Alphabets in 100 Amazing Puzzles

Alex Bellos

Logic - A Very Short Introduction

Graham Priest

Big Bk Of Su Doku Vol 10 - 300 Su Doku puzzles (Collins Su Doku)

Puzzles Collins

The Times Samurai Su Doku 12 - 100 extreme puzzles for the fearless Su Doku warrior (The Times Su Doku)

Times Mind Games The

Times Mindset Puzzles Book 1 - Put your solving skills to the test (The Times Puzzle Books)

Times Mind Games The, Colin Whorlow