Books in the Celtic Dragonriders series

Dragons flame dragons!Devan Fraser, the only rider with the magical ability of hearing and bespeaking all dragons, is unwillingly thrust into the middle of a deadly conflict, decades in the making. Separated from her beloved, Christian Riley, she finds herself in a desperate race against time. Can she decipher the obscure meanings outlined in an ancient prophecy and escape a crazed madman before feuding clans destroy Scotland? Or is it already too late? Is the magic that sustains all dragonkind destined for extinction?