This Math Olympiad Contest Problems & Creative Problem Solving Books Set includes 4 1. MATH OLYMPIAD CONTEST PROBLEMS (Volume 1) 9780962666216 2. MATH OLYMPIAD CONTEST PROBLEMS (Volume 2) 9781882144112 3. MATH OLYMPIAD CONTEST PROBLEMS (Volume 3) 9781882144129 4. CREATIVE PROBLEM SOLVING in School Mathematics (2nd Ed) 9781882144105