你知道吗？长颈鹿可以把自己的耳朵舔干净，把你的头放在水桶里就能算出头的重量，宇航员在吸尘器里撒尿。百科全书之于20世纪，就是本书之于21世纪。12个设计优雅的章节中包含了321个引人入胜——而且往往令人惊讶——的事实，使人们能够用自己在体育、科学、植物和昆虫、名人和太空等方面的百科全书式的知识让朋友和家人为之倾倒。这些事实都是按主题归类，因此读者可以随心翻阅和选择他们认为最有趣的主题。

Did you know that: * A giraffe can lick its own ears clean? * You can weigh your head by putting it in a bucket of water? * Astronauts urinate into a vacuum cleaner? What the encyclopaedia was to the 20th century, this book is to the 21st. Twelve elegantly designed chapters brim with 321 fascinating - and often surprising - facts, enabling people to dazzle their friends and family with their encyclopaedic knowledge of sports, science, plants and insects, famous people and space. The facts are all grouped together by topic, so readers can dip in and pick and choose the topics that they find most interesting.

This well-

structured collection of smart things you need to know will be fun for all the family.