“The Color Purple” by Alice Walker (Mariner, 304 pp.) is one woman’s journey from degradation to empowerment. Abused by her father, and later her husband (Mister,) Celie looks to her sister Nettie as a source of love and support. For years Celie doesn’t hear from Nettie – until the day that she discovers Mister’s stockpile of her sister’s letters. The rage Celie feels at this revelation convinces her to take back her happiness and life.