Keys to Painting Better Portraits - Hardcoverby Foster Caddell (Author) Renowned artist Foster Caddell shares the unique methodology which he brings to his paintings, no matter what the subject. In this, his third book of "keys" to improving your work, he stresses the fundamental of seeing analytically what is before you so that you can it render realistically and beautifully in art. Foster Caddell devoted his entire life to his art, beginning with developing a sophisticated drawing technique