Please be warned if you haven't read these books these sections contain plot-spoilers.
Plot Summary: Alanna, now squire to none other than Prince Jonathan of Conte, has to protect her knight and friends through their first war with Tusaine. She has an encounter with the Great Mother Goddess, Alanna's patron, who gives her a priceless gift. She slowly learns more about her gift, using it primarily to heal, and continues to hide her true gender while both George and Jon have fallen in love with her. She continues to be suspicious of and protect her liege from his cousin Roger, on the way to her becoming a knight.
King Ain- Tusaine’s King
Sir Alanna of Trebond- A squire and later a Knight
Sir Alex- once Alanna’s friend, later Roger’s squire, and Knight, tries to kill Alanna
Duke Baird- chief healer at the palace
Coram Smythesson-Alanna's faithful manservant. Delia of Eldorne- one of the Queen’s Ladies, a great beauty, Roger sends her to chase after Jonathan.
Faithful- Alanna’s purple-eyed cat given her by the Goddess
Duke Gareth of Naxen- Gary’s Father
Gareth (Gary) of Naxen- Son of Duke Gareth, Jon and Alanna's friend, instructs Alanna before her Ordeal
George Cooper- King of the Rogue, Alanna's friend
Duke Hilam- King Ain’s brother and Prime Minister
Jonathan of Conté- crown prince of Tortall, Alanna’s friend and later, her lover
Moonlight- Alanna's faithful steed
Myles of Olau- Alanna's friend and mentor, a knight and teacher
Raoul of Goldenlake- Knight, friend of Alanna and Jon
Duke Roger of Contè- Jonathan’s cousin and Alanna’s greatest enemy, Roger plots to kill the King, Queen and Jonathan to have the throne of Tortall to himself
Thom of Trebond- Alanna’s brother, studying sorcery in the City of the Gods, Passes his Mastery at 17, when most don’t even try until 30
Info from: Wikipedia