Most Web developers pick up a book to learn how to use a language like JavaScript, looking for practical examples of how to get things done. The Book of JavaScript: A Practical Guide to Interactive Web Pages is plenty practical, and hits the mark as a reader-friendly and well-organized tutorial on JavaScript. / The book assumes no prior knowledge in JavaScript or other procedural languages, although familiarity with HTML is best. The well-thought-out text focuses on various programming goals--like rollovers and form validation--instead of the anatomy of the JavaScript language itself. The fast-moving chapters skillfully weave text with example code. Sections of the code and related sections of the accompanying text are numbered--a convention that is very helpful in teaching new techniques, and for quick reference later on.