Brady and Senese's Chemistry: Matter and Its Changes, 4th Edition, is a reader-friendly textbook that makes the content accessible without sacrificing either breadth or depth of coverage.  The text's informal writing style, emphasis on problem solving, and state-of-the-art media package make this book an ideal fit for readers of various backgrounds and abilities.  The 4th edition welcomes new co-author Fred Senese, the architect of the most visited general chemistry website.  Together Jim Brady and Fred Senese offer accurate, lucid, and interesting explanations of the basic concepts of chemistry, as well as comprehensive coverage and aid to readers in developing problem solving skills.