I would suggest the following reading to start with,
Paul Tuitean & Estelle Daniels, "Essential Wicca"
Eileen Holland, "Spells for the Solitary Witch"
Margot Adler, "Drawing down the moon: Witches, Druids, Goddess worshipers and other Pagans in America today" and the Wonderful World of Witchcraft"
Raymond Buckland, "Buckland's complete book of Witchcraft"
Deborah Blake, "Circle, Coven & Grove" and "Everyday Witch A to Z: An Amusing, Inspiring & Informative Guide to to the Wonderful World of Witchcraft"
Silver Ravenwolf, "Teen Witch: Wicca for a new generation"
Shanddaramon, "Self-initiation for the Solitary Witch: Attaining higher spirituality through a five-degree system"
Scott Cunningham, "Wicca: A guide for the solitary practitioner"
Starhawk, "Spiral dance: A rebirth of the ancient religion of the Great Goddess"