### Synopses & Reviews

Television host Monty Hall used to ratchet up the suspense on his game show, "Let's Make a Deal," by offering contestants a last-minute chance to change their minds. His nail-biting, probability-based dilemma supplies the title for this intriguing book. Assembled by one of the world's top puzzle-makers, its wealth of complex but fun-filled challenges range from riddles of ancient geometry to modern issues of traffic patterns and interstellar communications.

Readers of all ages can appreciate these imaginative puzzles and their colorful characters, which include traveling salesmen, Chinese postmen, and flea circus performers. "Police Chase" examines the definition of the center of a triangle. A series of "Magic Arrow" games offer variations on the classic magic squares. And traditional topics such as Euler's problem, Ramsey theory, polar and spherical coordinates, and Golomb rulers take on fascinating new twists. A treat for the eye as well as for the mind, the puzzles are accompanied by dynamic illustrations that help define underlying mathematical concepts. Complete solutions appear at the end.

#### Synopsis

This intriguing full-color book takes its name from the game-show host who offered contestants a probability-based dilemma in the form of three hidden prizes. Assembled by a prominent puzzle-maker, the complex challenges range from riddles of ancient geometry to modern issues of traffic patterns and interstellar communications. Dynamic illustrations help define underlying mathematical concepts. Solutions.

#### Synopsis

Assembled by a prominent puzzle-maker, this intriguing full-color book's challenges range from riddles of ancient geometry to modern issues of traffic patterns and interstellar communications. Dynamic illustrations help define underlying mathematical concepts. Solutions.

### Table of Contents

Inebriated insect The short and long of it Get the message? The first contact Early geometry Non-Euclidian geometry Taxicab-geometry; Biangles Taxi triangulatlon Square route Going round in circles All roads lead to Local liquor Treasure hunt 9 Cubic cryptogram Deliver the goods Scenic tour Right this way Area of a circle Clover 4-way.race Polygonal proof Cycloid and cycling TrIangulation Police chase Bright blossms flea circus Hopping mad Grasshopping Leap for home Shape Up .The game of Life Golden handshake A shaker's dozen Let's shake on it T-hat's magic! Island hopping Monty Hall problem 1 Monty Hall problem 2 Golomb rulers Golomb ruler: 4 markers Golomb ruler: 5 markers Golomb ruler: 6 markers Dissected Golomb rulers Golomb ruler: 7 .markers Birds on a wire Zoo-logical Ramsey theory Ramsey game; Party puzzle for six Ramsey 17-gon game Ramsey 18-gon Hidden polygons A whole lotto numbers Euler's problem Eulerian paths Devious doodling The right connections Chinese postman problem Doing the rounds Traveling salesman problem Chop chop Catering for the children Coordinates on a flat plane Coordinates in 3-dimensional space Polar coordinates Spherical coordinates Coordinate craft Royal lineage Regal procession Think of a number Make a meal of·this Circular convergence Polygon bracelet Triangle teaser Fluid dynamics Ganymede circle 1 Ganymede circle 2 Ganymede circle 3 Ganymede circle 4 Colorful combination lock Magic arrows: game 1 Magic arrows: game 2 Magic arrows: game 3 In your area Clover coverage The eighteenth amendment Access all areas To the max One for the birds The safe safe Window of opportunity