A few that I would suggest are:
Gerwina Dunwich - Wicca Candle Magick
Scott Cunningham- Magical Herbalism
D.J.Conway- Moon Magick
Raymond Buckland- Wicca for One
Janet and Stewart Farrar- The Witches'Way
And for those on the healing path:
Kathy Garber- A Mother's Guide to Herbal Extracts (Saving Tristan)
For those who are serious about learning more about Wicca I would recommend the following authors:
Gerald Gardner - " Witchcraft Today " and " The Meaning of Witchcraft " - after all he was the one who first introduced Wicca to the world
Deborah Lipp - " The Elements of Ritual" and " The Study of Witchcraft"
Ellen Cannon Reed - " The Heart of Wicca "
Grey Cat - " Deepening Witchcraft "
Vivianne Crowley - " Wicca: The Old Religion In the New Millennium " and "Phoenix From the Flame"
Janet and Stewart Farrar - "The Witches' God", "The Witches' Goddess", "Eight Sabbats for Witches"
Judy Harrow - " Devoted to You"
Thea Sabin - " Wicca for Beginners: Fundamentals of Philosophy & Practice"
Ronald Hutton - "Triumph of the Moon "
Philip Heselton - " Gerald Gardner and the Cauldron of Inspiration "
Robin Wood - " When, Why...If "
Jennifer Hunter - "21st Century Wicca: A Young Witch's Guide to Living the Magical Life"