All the tools in the books teach 'universal' problem solving principles
Download a synopsis of all the books in the series.
Grid puzzles, find hidden or missing objects
Visual illusions, five senses and perception
Patterns, connections, combinations
Basic mathematics - calculation and diagrams
Shape contour morphing and manipulation
Parlour games - winning and avoiding defeat
Thinking - logically, laterally, creatively
Weighing and measuring, solids and liquids
Logical conundrums
Interviewing and questioning
Attention to detail
Memory and language skills
Diagrams and other visual tools
Domain knowledge and expertise
Independent work and crowdsourcing
Judging, Dedicing, Implementing
Obstacles to problem solving
Examples and case studies