Airs of Night and Sea(2008)
(The third book in the Horse Mistress Saga series)
A novel by Toby Bishop
Driven by insane jealousy, Duke William is determined to found his own flying school, where the valuable flying horses of Oc will learn to bond with well-born young men - instead of arrogant women. Now, Larkyn Hamley and her beloved Black Seraph must gather all of their allies from the air to the ground. For if they do not soar now, none will ever see the skies again.
Used availability for Toby Bishop's Airs of Night and Sea
December 2008 : USA Mass Market Paperback
December 2008 : USA, Canada Kindle edition