The Eagle and the Nightingales(1995)
(The fourth book in the Bardic Voices series)
A novel by Mercedes Lackey
In the process of discovering just what is going on in Alanda, Nightingale joins forces with T'fyrr, a birdman with the visage of a raptor and the voice of an angel. And before the King--and through him the gypsies, Free Bards and non-humans of the 20 kingdoms--is saved, they, the Eagle and the Nightingale, will have become less than lovers but far more than friends.
Used availability for Mercedes R Lackey's The Eagle and the Nightingales
January 1995 : USA Hardback
February 1996 : USA Mass Market Paperback
January 1996 : UK Paperback