More by George Pólya
How to Solve It
Mathematics and Plausible Reasoning
Mathematical Discovery
Problems and Theorems in Analysis
The Stanford Mathematics Problem Book
Mathematical Methods in Science
Notes on Introductory Combinatorics
George Pólya - Collected Papers Singularities of Analytic Functions
Mathematical Discovery On Understanding, Learning, and Teaching Problem Solving
Induction and Analogy in Mathematics
How To Solve It: A New Aspect of Mathematical Method
Collected Papers, Vol. 4: Probability / Combinatorics / Teaching and Learning in Mathematics (Mathematicians of Our Time) (English, French and German Edition)