"The book contains 400 Problems in algebra, number theory, combinatorics, and geometry, from all over the world.
That is why I stongly recommend this book for mathematics teachers and gifted students." - Radu Gologan, President of the Romanian Mathematical Society.
It is an excellent text for preparing mathematics competitions of all levels. "The book contains 400 Problems in algebra, number theory, combinatorics, and geometry, from all over the world