The best of both worlds: a traditional reference book to keep and pore over, plus the best and most up-to-date information on the web, accessed via the Usborne Quicklinks site and QR codes. All internet links are thoroughly researched, checked and monitored for quality and online safety.§A stimulating reference book for young readers covering a wide range of topics from art and animals to new technology. Arranged thematically and illustrated with over 1500 photos, illustrations and diagrams. Over 150 QR codes allow readers to access carefully selected websites, downloadable pictures and quizzes on a mobile phone or tablet. In addition, there are 750 internet links leading to a hand-picked selection of the best websites on a PC.