I am looking for a book about graph theory and combinatorics. I am studying the routing problem in communication networks, therefore my interest is on a book with a wide set of problems and examples.


Thank you in advance



Good graph theory and combinatorics book
[Combinatorics and Graph Theory](http://www.springer.com/us/book/9780387797106)



> 
> This book covers a wide variety of topics in combinatorics and graph
>  theory. It includes results and problems that cross subdisciplines,
>  emphasizing relationships between different areas of mathematics.
> 
> 
> 


