From a leading expert, a groundbreaking book on the science of play, and its essential role in fueling our happiness and intelligence throughout our lives

We've all seen the happiness on the face of a child while playing in the school yard. Or the blissful abandon of a golden retriever racing across a lawn. This is the joy of play. By definition, play is purposeless, all-consuming, and fun. But as Dr. Stuart Brown illustrates, play is anything but trivial. It is a biological drive as integral...

It was Thomas Jefferson who envisioned the United States as a great 'empire of liberty.' In the first new one-volume history in two decades, David Reynolds takes Jefferson's phrase as a key to the saga of America - helping unlock both its grandeur and its paradoxes. He examines how the anti-empire of 1776 became the greatest superpower the world has seen, how the country that offered liberty and opportunity on a scale unmatched in Europe nevertheless founded its prosperity on the labour of bl...

Live English Grammar is a graded series of grammar books. This highly exciting series covering four levels, from Beginner to Intermediate, adopts an innovative approach to presenting and practising grammar, which enables learners to acquire it naturally.

In this new paperback edition of the classic bestseller, you'll be taken on a hilarious, fast-paced ride through the history of ideas. Author Scott Berkun will show you how to transcend the false stories that many business experts, scientists, and much of pop culture foolishly use to guide their thinking about how ideas change the world. With four new chapters on putting the ideas in the book to work, updated references and over 50 corrections and improvements, now is the time to get past the...

Business Vocabulary in Use Advanced Second edition is for students and professionals looking to expand their business vocabulary. Bringing learners up to date with the language they need for business today, this book explains words and expressions and also provides practice of using the new language. This second edition comes with a CD-ROM which offers practice exercises and games, audio of each word or phrase, tests and a phonemic chart for pronunciation support.

This second edition reflects...

Postcolonialism has become one of the most exciting, popular and stimulating fields of literary and cultural studies in recent years. Yet the variety of approaches, the range of debate and the critical vocabularies often used may make it challenging for new students to establish a firm foothold in this area. Beginning Postcolonialism is a vital resource for those taking undergraduate courses in postcolonial studies for the first time and has become an established international best-seller in ...

Grasland is voor veehouders dé voerleverancier. Maar het ene grasland is het andere niet. Dat van de buren is soms écht groener. Gewasproductie en -kwaliteit lopen sterk uiteen. Waardoor ontstaan deze verschillen? Lees in Graslandsignalen hoe u voor úw doel het grasland optimaal beheert en u boven het maaiveld weet uit te steken.

Grasland is een complexe plantengemeenschap waarin gras de boventoon voert. Ú bent van deze organisatie de manager en dient de bodemconditie te onderhouden en de...

English Unlimited is a six-level (A1 to C1) goals-based course for adults. Centred on purposeful, real-life objectives, it prepares learners to use English independently for global communication. Through universal topics and activities, and a focus on intercultural competence as a 'fifth skill', this international coursebook helps learners become more sensitive, more effective communicators.

Teaching natural, dependable language, and with CEF goals at its core, it brings real life into the cl...

Networks of relationships help determine the careers that people choose, the jobs they obtain, the products they buy, and how they vote. The many aspects of our lives that are governed by social networks make it critical to understand how they impact behavior, which network structures are likely to emerge in a society, and why we organize ourselves as we do. In Social and Economic Networks, Matthew Jackson offers a comprehensive introduction to social and economic networks, drawing on the lat...