A Colombian mathematician and professor assembled these 80 brainteasers while living in Bogotá, forming a stimulating collection of word problems, puzzles involving chess pieces, sudoku-style challenges, other math-based diversions. Solutions.

"A Colombian mathematician assembled these eighty brainteasers, forming a stimulating collection of word problems, puzzles involving chess pieces, sudoku-style challenges, and other math-based diversions. The book includes solutions"--

This compilation of long-inaccessible puzzles by a famous puzzle master offers challenges ranging from arithmetical and algebraical problems to those involving geometry, combinatorics, and topology, plus game, domino, and match puzzles. Includes answers.

Research in mathematics is much more than solving puzzles, but most people will agree that solving puzzles is not just fun: it helps focus the mind and increases one's armory of techniques for doing mathematics. Mathematical Puzzles makes this connection explicit by isolating important mathematical methods, then using them to solve puzzles and prove a theorem. Features A collection of the world’s best mathematical puzzles Each chapter features a technique for solving mathematical puzzles, examples, and finally a genuine theorem of mathematics that features that technique in its proof Puzzles that are entertaining, mystifying, paradoxical, and satisfying; they are not just exercises or contest problems.

Terraria - Puzzles and Word GamesTest your Terraria knowledge and skill with the puzzles and word games inside - see how quickly you can you figure it out to reveal the hidden Terraria words.This book contains puzzles and word games all based around the world of Terraria and its contents. Not only is it a lot of fun but it will also improve your vocabulary, your knowledge of the worlds and make you sharper to play the game!See how quickly you can get to the end or challenge your friends to a competition - the games inside can be completed on your own or in a group!Not only will you learn more about the game, but you will also increase your puzzle-solving and linguistic ability.Challenge yourself to beat your personal best - then challenge your friends. Who will become the ultimate Terraria Puzzle and Word Game Champion?! Go ahead and hit Buy above to get the book right now! Tags: Tags: terraria, terraria guide, terraria cheats, terraria tips, terraria strategy, terraria tricks, terraria puzzles, terraria games, terraria words, vocabulary, fun, challenges, minecraft, terraria walkthrough, rpg game, Terraria: The Complete & Ultimate Guide - Cheats, Tips, Tricks, Hints, Strategy and Walk-, ps4 terraria, ps4 terraria book, ps4 terraria guide, ps4 terraria cheats, ps4 terraria tips, ps4 terraria strategy, ps4 terraria tricks, ps4 terraria walkthrough, ps4 terraria rpg game, vita terraria, vita terraria guide, vita terraria cheats, vita terraria tips, vita terraria strategy, vita terraria tricks, vita terraria walkthrough, vita terraria rpg game, xbox terraria, xbox terraria book, xbox terraria guide, xbox terraria cheats, xbox terraria tips, xbox terraria strategy, xbox terraria tricks, xbox terraria walkthrough, xbox terraria rpg game, xbox terraria book

Twelve essays take a playful approach to mathematics, investigating the topology of a blanket, the odds of beating a superior tennis player, and how to distinguish between fact and fallacy.

NATIONAL BESTSELLER • Seven-year-old Chula lives a carefree life in her gated community in Bogotá, but the threat of kidnappings, car bombs, and assassinations hover just outside her walls, where the godlike drug lord Pablo Escobar reigns, capturing the attention of the nation. “Simultaneously propulsive and poetic, reminiscent of Isabel Allende...Listen to this new author’s voice—she has something powerful to say.” —Entertainment Weekly When her mother hires Petrona, a live-in-maid from the city’s guerrilla-occupied neighborhood, Chula makes it her mission to understand Petrona’s mysterious ways. Petrona is a young woman crumbling under the burden of providing for her family as the rip tide of first love pulls her in the opposite direction. As both girls’ families scramble to maintain stability amidst the rapidly escalating conflict, Petrona and Chula find themselves entangled in a web of secrecy. Inspired by the author's own life, Fruit of the Drunken Tree is a powerful testament to the impossible choices women are often forced to make in the face of violence and the unexpected connections that can blossom out of desperation.