Lying liars and the lies they tell
2. Trees and Games of Logic
Exotic squares and Sudoku
The small world phenomenon
The bridges of Konigsberg
Hand-shaking and its consequences
Cycles that take you on a tour
4. Colouring and Planarity
The four-colour map problem
How edges can ruin planarity
2. Innocent questions of points and lines
3. Brouwer's fixed point theorem
5. How to Traverse a Network
The Chinese Postman Problem
Nets that remember where you have been
Automata with something to say
The P versus NP controversy
Network capacities and finding suitable boys
Marriage and other problems
Harems, maximum flows, and other things
9. Novel Applications of Nets