Sure, you can learn English with a language course or a textbook just fine, and climb up the ranks in terms of your grasp of the language... but are you sure you can talk like a native? For starters, many expressions used by fluent speakers of English can't exactly be learned in a book, and it can be frustrating to realize that your formal learning hasn't been enough to teach you the way people talk in real life. Sometimes, it's all about having the right tools at your disposal... and this is where The Great Book of American Idioms comes in!