Book 1 of the Unicorn Queen Series. When her eccentric friend Dr. Reit invents an amazing portal into another world, Sheila McCarthy accidentally falls through into the kingdom of Arren. There, Sheila finds herself captured by of a band of warrior-women who ride unicorns. They believe she is a witch and want to kill her but their beautiful Queen sees the good in Shelia and intervenes on her behalf saving her life. Together they gallop toward a dazzling city made of marble. But will they arrive in time to stop the evil king and his wicked wizard henchman from carrying out their deadly plans? And will Sheila ever be able to return home?