The authors show that there are underlying mathematical reasons for why games and puzzles are challenging (and perhaps why they are so much fun). They also show that games and puzzles can serve as powerful models of computation-quite different from the usual models of automata and circuits-offering a new way of thinking about computation. The appen

I decided to write this book so that people, especially children my age, can learn about the different planets in the solar system. I want to inspire children my age to learn more about the solar system. I really enjoy learning about the solar system because it has 8 planets, and that is special to me as I am 8 years old. There are so many interesting things about the planets in the solar system, and I hope that you are able to take away some cool facts after reading my book.

Our understanding of the historical ecology of European forests has been transformed in the last twenty years. Bringing together key findings from across the continent, Europe's Changing Woods and Forests: From Wildwood to Managed Landscapes provides a comprehensive account of recent research and the relevance of historical studies to our current conservation and management of forests. Combining theory with a series of regional case studies, this book shows how different aspects of forestr...