Valdemar: Heralds of Valdemar Series by Mercedes Lackey

Follows the adventures of Talia as she trains to become a Herald of Valdemar in the first book in the classic epic fantasy Arrows trilogy. Chosen by the Companion Rolan, a mystical horse-like being with powers beyond imagining, Talia, once a runaway, has now become a trainee Herald, destined to become one of the Queen’s own elite guard. For Talia has certain awakening talents of the mind that only a Companion like Rolan can truly sense... moreFollows the adventures of Talia as she trains to become a Herald of Valdemar in the first book in the classic epic fantasy Arrows trilogy. Chosen by the Companion Rolan, a mystical horse-like being with powers beyond imagining, Talia, once a runaway, has now become a trainee Herald, destined to become one of the Queen’s own elite guard. For Talia has certain awakening talents of the mind that only a Companion like Rolan can truly sense. But as Talia struggles to master her unique abilities, time is running out. For conspiracy is brewing in Valdemar, a deadly treason that could destroy Queen and kingdom. Opposed by unknown enemies capable of both diabolical magic and treacherous assassination, the Queen must turn to Talia and the Heralds for aid in protecting the realm and insuring the future of the Queen’s heir, a child already in danger of becoming bespelled by the Queen’s own foes. less

Set in the medieval fantasy kingdom of Valdemar, this unique and exciting novel continues the story of Talia. Having mastered the powers necessary to a guardian of the kingdom, she faces the final preparation for her initiation as adviser and protector of the Queen.

With Elspeth, the heir to the throne of Valdemar, come of marriageable age, Talia, the Queen's Own Herald returns to court to find Queen and heir beset by diplomatic intrigue as various forces vie for control of Elspeth's future. But just as Talia is about to uncover the traitor behind all these intrigues, she is sent off on a mission to the neighboring kingdom, chosen by the Queen to investigate the worth of a marriage proposal from Prince Ancar.