102 combinatorial problems from the training of the USA IMO team by Titu Andreescu, Zuming Feng
103 trigonometry problems from the training of the USA IMO team by Titu Andreescu, Zuming Feng
104 Number Theory Problems From the Training of the USA IMO Team by Titu Andreescu, Dorin Andrica, Zuming Feng
107 Geometry Problems from the AwesomeMath Year Round Program by Titu Andreescu, Michal Rolinek, Josef Tkadlec
Geometric Problems on Maxima and Minima by Titu Andreescu, Oleg Mushkarov, Luchezar Stoyanov
Lemmas in Olympiad Geometry by Titu Andreescu, Sam Korsky, Cosmin Pohoata
Mathematical Induction A powerful and elegant method of proof by Titu Andreescu, Vlad Crisan
Number Theory Concepts and Problems by Titu Andreescu, Gabriel Dospinescu, Oleg Mushkarov
Pristine landscapes in elementary mathematics by Titu Andreescu, Cristinel Mortici, Marian Tetiva
Problems from the Book by Titu Andreescu Gabriel Dospinescu
Straight from the Book by Titu Andreescu, Gabriel Dospinescu
Sums and Products by Titu Andreescu, Marian Tetiva
国内近乎绝版的教材,然而没有中文版的
(这鸡汤,十分的珍贵)