Concentration Second Edition Author:Godfrey Harris, Kennith L. Harris New, revised second edition includes an enlightening and entertaining look at the importance of concentration to the successful conduct of every day life, with discussion of its relationship to a good memory and sound physical conditioning. Book has a variety of easy exercises, some added, to help kids, their parents, and others improve their ab... more »ility to focus on a subject instantly, sustain attention when there are distractions, and get their minds back on a topic when it wanders.« less