All Cows Eat Grass is an advanced reading book including dynamics, articulations, odd time signatures, style indications, and musical terms. Chapter one of ACEG is simply more reading material. The style of presentation and choice of material is quite similar to Reading In Bass Clef but at a higher level. Chapter two is a collection of bass riffs. These short patterns are standard repertoire. Chapter three consists of duets, trios, and quartets in various styles and at various levels of difficulty. Chapter four is a method for expanding your study of reading music. The exercises and music presented here will help you develop the skill to become an excellent reader of music.