Four Colors Suffice
On October 23, 1852, Professor Augustus De Morgan wrote a letter to a »

The Topics in Structural Graph Theory
Volume 3, Structural Graph Theory »

How To Solve Sudoku
A Step-By-Step Guide »

How to Solve Sudoku
a Step-By-Step Guide »

Graph Theory 1736-1936 P
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Who Gave You The Epsilon?
And Other Tales Of Mathematical History »

Introduction To Graph Theory
Introduction to Graph Theory »

Topics In Topological Graph Theory
Topics in Topological Graph Theory »

Graphs And Applications [with Cdrom]
Discrete Mathematics is one of the fastest growing areas in mathematics today with an ever-increasing number of courses in schools and universities. Graphs a... »

Graphs
An Introductory Approach - A First Course In Discrete Mathematics »