ShutterBox Book Five, The Angel of Death Unbalanced

Damien, the Angel of Death of Unbalanced, has trapped Megan by anchoring her soul to the castle grounds of Merridiah University. She is a prisoner. But this seems like a minor problem to Megan, for during her first attempt at musing a Human on Earth, she is shocked to discover she can influence clients across time as well as space. Tugging at centuries-old heartstrings brings a visitor from the past into the present. Now Megan is left to foil Damien on her own, or so it seems... for along comes a unicorn in a secret garden...