The Mysterious Gems: The Black Ruby represents the first book in the Mysterious Gems Saga, a medieval epic tale of adventure and intrigue. Can the princess save the kingdom?When a vortex of treachery threatens the survival of the kingdom, Princess Rachel, heiress to the throne, seeks the Black Ruby that legend claims will bring peace to the troubled land.But will she achieve her quest, hew to the queen's admonishments, quell the rebellious lords, defeat the revengeful sorceress who vows to destroy the royal family, and untangle the predicament of the enigmatic dragon who may be the key to her success or the harbinger of her death?