For anyone learning the programming language Scheme, the second edition of Simply Scheme: Introducing Computer Science is very easy to digest book provides tutorial-style introduction to this powerful and elegant language. In the words of the author, Simply Scheme is designed to be a "prequel" to another book, Structure and Interpretation of Computer Programs. This tutorial emphasizes the small parts on the main language features, from basic functions, variables, and then to recursion and concepts the concept of functional programming. Art - and elegance - solving problems derived from the recursion scheme applies and other design concepts. Longer code samples in this book, including the game tic-tac-toe, an example that works with the poker and bridge, and a demo spreadsheet work. The top uses of software patterns in a scheme to help bring this new edition up to date. Although not often used in business, his cousin Scheme and Common Lisp (the book explains in the appendix) is still favored by computer scientists, for example, in artificial intelligence research Dragan. - Richard Topics covered: fundamental language Scheme, functions and functions of higher-order, variable, basic lambda, recursion, abstraction, software patterns in Scheme, lists, trees, sequential programming, working with files, vector, Common Lisp.