102 Combinatorial Problems From the Training of the USA IMO Team Andreescu, Titu Heftet / 2002 / Engelsk
103 Trigonometry Problems From the Training of the USA IMO Team Andreescu, Titu Heftet / 2004 / Engelsk
104 Number Theory Problems From the Training of the USA IMO Team Andreescu, Titu Heftet / 2006 / Engelsk
