Number theory is an important research field of mathematics. In mathematical competitions, problems of elementary number theory occur frequently. These problems use little knowledge and have many variations. They are flexible and diverse. In this book, the author introduces some basic concepts and m[...]

The second in an exciting new relaunch of Ted Dewan's Bing books - resized and beautifully produced for the next generation of toddlers - paving the way for Bing's TV debut in 2014.[...]

An exciting new relaunch of Ted Dewan's Bing books - resized and beautifully produced for the next generation of toddlers - paving the way for Bing's TV debut in 2014.[...]

Join Bing and his friends in the first story book of the amazing new TV series Bing!

Discover the world of Bing with this colourful, fun sticker book.

Get creative with BIng in this wonderful drawing and colouring book.

Join Bing and get creative with this wipe clean activity book. Draw and doodle along with Bing. This book is packed with Bing-tastic activities that your toddler will enjoy again and again. The Bing pen that comes with this busy book wipes clean from the pages for unlimited fun![...]

This really is the biggest Bing book ever - it's as tall as a toddler and full of fun!Ideal for young Bing fans, every page of this enormous board book introduces you to a new theme and a different aspect of Bing's world, from his home and friends to concepts such as numbers, colours, opposites and [...]

A collection of three favourite stories about Bing Bunny: this gorgeous hardback gift collection with a padded cover contains these titles: Ducks, Smoothie and Hide and Seek.[...]

Join Bing in his very first lift-the-flap novelty book and help him find all the things that Flop has hidden for him![...]

This interactive book featuring 10 sounds is perfect for fans of the hit CBeebies series, Bing.

Do or Die is the first insider account of teenage gangs--the lives, loves, and battles of children who kill--from the only journalist ever allowed inside this closed and dangerous world. This is no West Side Story. Welcome to a world where teenagers wear colostomy bags and have scrapbooks filled wit[...]

What Would Machiavelli Do?He would feast on other people's discordHe wouldn't exactly seek the company of ass-kissers and bimbos, but he wouldn't reject them out of hand eitherHe would realize that loving yourself means never having to say you're sorryHe would kill people, but only if he could feel [...]