From the reviews of the second edition:
"In this book, the reader will see that mathematics is a network of intriguing ideas … . It is a really nice book. … This attractive book contains a lot of well-known and interesting problems … . It is really true that the ideas presented in this book are some of the most fascinating and beautiful ones around. … The reader will have something to explore, to learn, to think, to enjoy, and to add new aspects to his view of everything." (Valentina Dagienë, Zentralblatt MATH, Vol. 1065, 2005)
--This text refers to an out of print or unavailable edition of this title.