Mathematical play has challenged and stimulated human ingenuity throughout recorded history. It has ranged from the common sorts of brain teasers such as mazes, arithmetic story problems, and simple geometric puzzles to sophisticated explorations of questions that still concern modern mathematical theorists. This new dictionary provides a tantalizing variety of paradoxes, games, problems, and puzzles that will appeal to mathematics enthusiasts at every level of proficiency. Eiss introduces his subject with an overview of the history of recreational mathematics and its relation to some theoretical questions that have occupied mathematicians for centuries. Dictionary entries include problems posed by particular thinkers as well as traditional puzzlers that have come down to us anonymously. Information on the origins and history of many of the activities is supplied, and thorough cross-referencing enables the reader to locate all puzzles, games, and amusements of a similar type. The bibliography suggest sources of further information.

The perfect gift for Christmas! Hundreds of hilarious hypothetical questions for anyone aged 6 to 106 who loves princess movies, stories and fairy tales. Would you rather have Harry Styles as your fairy godmother or Ariana Grande? Would you rather be a wayfinder like Moana or an archer like Merida? And would you rather have Rapunzel's hair growing from your armpits or growing from your toes?! The perfect brain-stretcher for anyone bored home alone, off on a long journey or looking for an easy party game, The Bumper Book of Would You Rather?: Princes and Princesses Edition is guaranteed to provide you with hours of entertainment this Christmas.

From New York magazine, a spiral-bound collection of fifty recently published crosswords--plus a bonus one created by beloved American composer Stephen Sondheim, the magazine's original puzzle constructor, for its first issue in 1968. Every year, millions of people attempt to complete a crossword puzzle, whether in print or online. Recent studies have even shown that the actual number is growing, owing to a rising public desire for less screen time and more activities that keep brains active. A number of research trials have found that regular crossword activity is among the most effective ways to preserve memory and cognitive function, and a recent trial from the NIH found that these benefits can last as long as ten years. For fifty years, New York magazine has published some of the most entertaining, addictive crossword puzzles in America. This spiral-bound book collects fifty New York puzzles by master puzzle creator Cathy Allis; adds a classic from the New York archives, created by Stephen Sondheim in 1968; and puts them together with a covered spiral binding for easy, stay-flat solving and portability.

Seeking some quick brain stimulation? Want to test your logic? Daily Mail is back with another brand new collection of demanding puzzles. With 200 grids in a variety of difficulties, these puzzles are sure to put minds of all ages and abilities through their paces. Whether you're on your daily commute or looking for a way to pass the time, Daily Mail Quick Crosswords 4 is the perfect compilation to keep you occupied.

This book presents more than 80 word searches in a large-print format. The word searches get progressively more challenging as your proceed through the book. If you get stumped, no problem - solutions to all the word searches are provided in the final section of the book.

Today's the day Bear hosts his picnic! Featuring stunning artwork of a woodland picnic, this jigsaw puzzle will open your eyes to new ways of seeing the natural world around you. Be amazed, piece by piece, as the wonders of Bear's world unfold. Including a poster which can be used as an aid to complete the puzzle and features twenty things to spot.

Prepare yourself to take on the challenge that is Telegraph Killer Sudoku 1. The ultimate test of logic, these demanding puzzles will put your mind through its paces. 200 killer sudoku grids allow you to hone your puzzling skills on your commute, during your leisure time or whenever you have a spare minute!

From Eastenders to Dr Who, Desert Island Discs to Monty Pyton, The Office to Peaky Blinders, test your knowledge of the history of the BBC and all your favourite programmes with this OFFICIAL puzzle book. From casual quizzers to trivia obsessives, everyone will love this light-hearted and fun book of puzzles and quzzes, released to mark the 100th birthday of the oldest and most famous broadcasting company in the world. Learn about the organisation's history, from its beginnings right up until the present day, discovering all about its fantastic programmes, from comedy, drama and news to soaps, quiz shows and documentaries, along the way. Catch up with your favourite shows, stars and characters and learn about the history of the BBC on the way. You'll find long-standing, iconic series like Dr Who, Eastenders, The Archers or Desert Island Discs as well as cutting-edge dramas such as I May Destroy You and Peaky Blinders. There are also classic comedies like Monty Python, Fawlty Towers and Dad's Army as well as genre-changing hits like The Office or Fleabag. Each spread includes a lively, brief history together with puzzles that will suit all levels of knowledge and skill, making this title the perfect book for everyone to to enjoy. Over its hundred years the BBC has been at the heart of family entertainment and information, known throughout the world for the quality of its output. Packed with history, facts, puzzles, and images of favourite stars and programmes, this is the perfect gift for Christmas and beyond!

Brains will feel the burn with this fantastic puzzle book that stretches and flexes the mind. For more than 40 years, millions of newspaper readers have delighted in solving the daily Jumble(R), which appears in hundreds of national papers and in these puzzle books that offer hours of challenging wordplay and fun. Each page features a series of mixed-up words coupled with a cartoon clue, and one letter from each word is used to form the answer to the puzzle.

Enjoy hours of fun with these 150 Bible-themed word searches! Test your Bible knowledge with this book! Packed with 150 puzzles, this entertaining puzzle collection mixes Bible passages with the most popular Everything (R) puzzles, including: -Genesis -Psalms -Proverbs -The Epistles This book is perfect if you're looking for a fun way to review your knowledge of the New and Old Testaments, or if you enjoy challenging theme puzzles. And best of all, with both puzzles and clues in easy-to-read large type, you can put away that magnifying glass and jump straight into the fun!

Part of an exciting series of sturdy, square-box 1000-piece jigsaw puzzles from Flame Tree, featuring powerful and popular works of art. This new jigsaw will satisfy your need for a challenge, with Jenny Zemanek's Classics Cascade. This 1000 piece jigsaw is intended for adults and children over 13 years. Not suitable for children under 3 years due to small parts. Finished Jigsaw size 735 x 510mm/29 x 20 ins. Includes an A4 poster for reference. Based in Columbus, Ohio, Jenny Zemanek is a lifelong lover of all things creative. What started with happy scribbles at a young age grew into a pursuit of photography and graphic design before she found a home with illustration and hand-lettering. Jenny revels in the joys of small decorative details, finding ways to add personality to her work.

Sure to be a challenge for the puzzle enthusiast, the Cosmic Lights 500 Piece Puzzle portrays the mysterious vastness of space. Galison puzzles are packaged in stylish matte-finish sturdy boxes, perfect for gifting, reuse, and storage. - Package: 8 x 8 x 2" - Complete puzzle: 20 x 20"

Part of a new, exciting series of ethical, sustainable and earth-friendly jigsaw puzzles. This high-quality, 1000-piece jigsaw puzzle from Flame Tree is made with renewable board, sturdy pieces and a recyclable bag and features powerful and popular works of art. The 1000 pieces will satisfy your need for a challenge, with the charming The Common by Angela Harding. Intended for adults and children over 13 years. Not suitable for children under 3 years due to small parts. Finished Jigsaw size 735 x 510mm/29 x 20 ins. FSC, recycled materials used. Angela Harding has lived in Rutland in the UK since 1988. She first arrived as Artist in Residence at Uppingham School and has been inspired by the British countryside ever since. She has a love for familiar garden birds and makes quick scribbles when she sees them out in the wild, so that she can develop them into formal designs in her studio. The Common is an illustration of Minchinhampton common in Gloucestershire which resides on chalk land and is a refuge for orchids, blue butterflies and meadow pipits. It is a wonderful piece of the natural world in a busy commuter belt.

Part of an exciting series of sturdy, square-box 1000-piece jigsaw puzzles from Flame Tree, featuring powerful and popular works of art. This new jigsaw will satisfy your need for a challenge, featuring Aimee Stewart's Fantastic Voyage. This 1000 piece jigsaw is intended for adults and children over 13 years. Not suitable for children under 3 years due to small parts. Finished Jigsaw size 735 x 510mm/29 x 20 ins. Now includes an A4 poster for reference. Aimee Stewart is a self-taught artist, photographer and writer who has been blurring the lines between digital and traditional art since 2005. She is strongly influenced by music and literature. Her special focus is in eclectic digital painting and photomanipulation - she takes components from old photographs and manipulates them into elements that complement her work perfectly. Aimee describes herself as a champion of daydreams; she loses thoughts of reality and becomes immersed in fantasy creations, as can be seen in this beautiful, steampunk and nostalgic illustration.

The Kitty McCall Leopard Vase 144 Piece Wood Puzzle features a bold color illustration of a floral arrangement in vase by Nigerian-born, UK-based artist, Kitty McCall. Influenced by the natural world around her, along with the vibrant landscape of her early childhood in Nigeria, Kitty McCall has developed a signature style of bold colors, overlaid patterns, and shapes to create geometric designs and floral landscapes for interiors, and accessories. * Box Size: 7 x 7 x 1.75 ", 178 x 178 x 44 mm * Puzzle Size: 8.75 x 8.75 ", 222 x 222 mm * 144 Wood Pieces * Foil Stamped Box * Includes Puzzle Insert with Puzzle Image

This SOCIAL SCIENCE book covering chapters from This SOCIAL SCIENCE book covering chapters from History, Geography, Civics and Economics form part of the SAT question paper of the NTSE (this book is equally useful for Olympiads and other Competitive Exams) have been developed as per the needs of the students i.e. the simple approach, conceptual clarity and complete coverage in each section. The book conforms to the latest pattern of questionsetting of NTSE. The book is made up of 37 chapters divided into 4 parts: Part A (History) 10 chapters Part 8 (Geography) 9 chapters Part C (Civics) 9 chapters Part D (Economics) 9 chapters Each chapter consists of Brief Theory, Key Concepts, followed by Solved Examples, Multiple Choice Questions (MCQs) and Answer Key and Hints & Solutions. The solutions to the MCQs are given at the end of each chapter. Previous Years' Questions, where available, have been given at the end of each chapter for clear understanding of the kinds of questions set. Hints and Explanations of many questions offer a window to students to know how the correct answers have been arrived at. The book is also recommended for Olympiads and other competitive examinations.