Longman Advanced American Dictionary Since a dictionary is a must-have on every ESL teacher’s shelf, consider buying the Longman Advanced American Dictionary. This dictionary provides definitions that are commonly used today. It is an excellent resource to use when teaching ESL learners since it has lists of spoken phrases, with definitions, and a lot of grammar usage notes. It also has a separate section on prepositions, adjectives, idioms, modal verbs, phrasal verbs and articles discussed in a very comprehensible way! Recipes for Tired Teachers by Christopher Sion Recipes for Tired Teachers has lots of instant, fun activities you can use in your classroom. This is the perfect book to add to your collection because it has activities which kids will surely enjoy while learning. You will love this book's ready-to-use listening, speaking, reading and writing activities.