Integer Partitions
"...until now there has not been a good introduction to the subject at an elementary level. Integer Partitions...is written at a level that most undergraduates, and even many high school students, could follow quite easily."-MAA Reviews, Darren Glass, Columbia University"This book is written in a very easy and friendly style.  The authors start from scratch and lead the readers from the easy to the unsolved problems.  It is really a pleasure to read."-Mathematical Reviews