Roland C. Backhouse - Algorithmic Problem Solving - New Paperback - X555z

Seed - Successful Problem Solving - New paperback or softback - X555z

Selvaratnam - Thinking Strategies for Solving Problems - New paperback - X555z

Peter Merrotsy - Pedagogy for Creative Problem Solving - Paperback - X555z

Singh - C programming for problem solving. - New paperback or softback - X555z

Cramer - Solving Diophantine Problems - New paperback or softback - X555z

Bowles - Problem Solving Using UCSD Pascal - New paperback or softback - X555z

Grigorieva - Methods of Solving Number Theory Problems - New paperback - X555z