1001 Pitfalls in Spanish by Julianne Dueber, Marion P. Holt (1995, Paperback)

This book is great for all levels of spanish speakers. It goes over the 1001 most common spanish mistakes english speakers make. It list the pitfall/mistake gives an example and moves on the the next. Its clear, direct and easy to follow and understand. It covers the basics to advanced. Im fluent in spanish and work as an interpreter. I pick this book up from time to time just for a review or when I can't remember the correct way to phrase something. I highly recommend this book