Kate O'Hearn crea aventuras de alta fantasía con heroínas fuertes, compasivas y amantes de la aventura. Al crecer como la única niña entre hermanos, notó la falta de protagonistas femeninas en las historias de aventuras. Su escritura busca equilibrar este desajuste, demostrando que las niñas pueden ser tan valientes, fuertes y aventureras como los niños. Ella insiste en que las aventuras son para todos.
Freya is a Valkyrie, a reaper of souls. But she hates what she must do. She doesn't like humans and the pain they inflict on each other, and she never wants to visit another battlefield. But when a soldier begs her to help his family back in the human realm, she agrees and discovers a world of friends. Now she'll have to find a way to keep her promise to the soldier and prevent the wrath of Odin from destroying the world
When Pegasus, the majestic winged-stallion, crashes on to her roof in the middle of a storm that blacks-out New York City, 13-year-old Emily's life becomes that of legend.