A Spell To Divide A Kingdom, A Novelette, the second book in The Secrets of Zen Castle Series. The origin story for the Spell of Isolation and the legend of Princes Avery and Alistair.
Young Princess Kaylynn sets out to prevent her twin brothers from going to war over who should rule The Land of Zen. Her first attempt fails, leaving her no other choice but to meet with the Grand Wizard, together they cast the Spell of Isolation, banishing Prince Alistair and the O'Toole Dragons in their own kingdom, the Land of Shenanigans.
Thus Princess Kaylyn sets the destiny for three future Princesses.