Logic and Math


A Beginner's Guide to Mathematical Logic (Dover Books on Mathematics)
Paradoxes
Leonhard Euler: Life, Work and Legacy (Studies in the History and Philosophy of Mathematics, Volume 5)
The Moscow Puzzles: 359 Mathematical Recreations (Dover Math Games & Puzzles)
Selected Problems Of The Vietnamese Mathematical Olympiad (1962-2009)
101 Puzzles in Thought and Logic (Dover Math Games & Puzzles)
Mathematical Olympiad Treasures
The Art And Craft of Problem Solving
A Python Book: Beginning Python, Advanced Python, and Python Exercises
The Structure of Intelligence: A New Mathematical Model of Mind (Recent Research in Psychology)
Mathematica Cookbook: Building Blocks for Science, Engineering, Finance, Music, and More
The World's 200 Hardest Brain Teasers: Mind-Boggling Puzzles, Problems, and Curious Questions to Sharpen Your Brain
IQ Brainteasers
The USSR Olympiad Problem Book: Selected Problems and Theorems of Elementary Mathematics (Dover Books on Mathematics)
Secrets of Mental Math: The Mathemagician's Guide to Lightning Calculation and Amazing Math Tricks