From a High Tower
When a man is caught stealing from a walled garden owned by a strange woman, he bargains away his youngest daughter in return for food for his family. The strange woman, rumored to be a witch, takes the golden-haired child and locks her away in a high tower.
Sixteen years later, Giselle has lived an isolated life, but her adoptive mother — an Earth Master — has trained her in Air magic. And when a charming man appears to woo her, only to shatter her life, Giselle must use her newly-trained magic on a quest to avenge herself...
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Mercedes Lackey
Mercedes Ritchie Lackey (born 1950) is an American writer of fantasy novels. Many of her novels and trilogies are interlinked and set in the world of Velgarth, mostly in and around the country of Valdemar. Her Valdemar novels form a complex tapestry of interaction between human and non-human protagonists with many different cultures and social mores.
Her other main world is one much like our own, but it includes clandestine populations of elves, mages, vampires, and other mythical beings. The Bedlam's Bard books describe a young man with the power to work magic through music; the SERRAted Edge books are about racecar driving elves; and the Diana Tregarde thrillers center on a Wiccan who combats evil.
Elemental Masters
A fantasy series taking place on an alternate earth where magic exists. The series largely focuses on Elemental Masters, people who have magical control over air, water, fire, or earth. Each book in the series is loosely based on a fairy tale.
Elemental Masters consists of eighteen primary books, and includes one additional book that complement the series but is not considered mandatory reads. The current recommended reading order for the series is provided below.

