The Catchy Clarinet Book of Easy Tunes from Around the World: 70 Traditional melodies and rounds from 28 countries arranged especially for beginner ... All in easy keys and mostly below the break.

Very easy, the information page was probably the most valuable to me for reference purposes.

Great book for inexperienced players! It basically stays under the break, and presents rhythms that first year players can deal with. It has a great page of info in the front that is well worth going over with the kids - tempo markings, changes, etc. My students have all enjoyed this book.