Carry this book in your shoulder bag or leave it on your night table. Whenever you find yourself with a few minutes to spare,open it to the beginning of a brief root group. (There's no real need to read the units in any particular order, since each unit is entirely self-contained. However, studying the book straight through from the beginning will ensure that you make maximum use of it.) Pick a single word or a four-word group or an eight-word section; study it, test yourself, and then try making up new sentences for each word. Be sure to pronounce every new word aloud at least once,along with its definition.