I read these SF books (twice) around 30 years ago and really liked them. Amazon now has them for the kindle.
99 cents for the first book and 2.99 and 3.99 for the other two. I hope they are as good as I remember.
Sword of the Lamb: (Book One of the Phoenix Legacy)
http://www.amazon.com/Sword-Lamb-Boo...1754285&sr=1-1
Shadow of the Swan (Book Two of the Phoenix Legacy)
http://www.amazon.com/Shadow-Swan-Bo...d_sim_kstore_1
House of the Wolf (Book Three of the Phoenix Legacy)
http://www.amazon.com/House-Wolf-Thr...d_sim_kstore_1