Books 1-3 in the 8-book series, "Unicorns of Balinor."

Book #1: The Road to Balinor
Introducing a fantasy series about a girl, her unicorn, and her quest to restore peace in Balinor. After a terrible riding accident, Ari cannot remember anything of her past and is sent to live on a farm with foster parents. What Ari doesn't know is that she is not from our world, but from Balinor, a land of sorcerers and unicorns! Her parents, the King and Queen, sent her to Earth to protect her from a raging war before they were banished from their homeland. Now Ari--Princess Arianna--has found the road back to Balinor. As she struggles to remember her heritage, she must face the challenge of restoring peace to Balinor.

Book #2: Sunchaser's Quest
Returning to Balinor, Princess Arianna finds that a dark presence has invaded the land, and she must search her failing memory for the knowledge of how to heal her unicorn, Sunchaser, after its horn was broken in battle.

Book #3: Valley of Fear
Sunchaser, mightiest of the Royal Unicorns of Balinor, has regained his horn. Now, Sunchaser and Princess Arianna must set out on a dangerous quest for the Royal Diadem. Without it, there is no hope of finding Arianna's parents, the king and queen.