Eiffel, one of three object-oriented programming languages after C++ and Smalltalk, is user-friendly, consistent, and relatively easy to learn. In this book, Eiffel is used to introduce the basic principles of computer science from an object-oriented perspective. KEY TOPICS: Introduces the idea of "modeling" first, and then "programming" as only one part of the overall process; details the object-oriented approach to problem solving; covers the construction of Eiffel classes; explains polymorphism as a design principle. MARKET: For software development professionals new to object technology and Eiffel.