The World's Easiest Guide to Using the MLA : A User-Friendly Manual for Formatting Research Papers According to the Modern Language Association Style Guide
Save your money and get the MLA Handbook for Writers of Research Papers by Joseph Gibaldi, of which there are countless somewhat older but still useful editions. The large spiral bound format of the Amato book promises to be a great asset, but I found myself returning to the Gibaldi book again and again.