The discovery of flight : a novel

"The Discovery of Flight is a novel in two voices about the relationship between two sisters, the older of whom is disabled by cerebral palsy and only able to communicate with assistive technology (she can control her computer by moving her eyes). It interweaves the fantasy novel sixteen-year-old Libby is writing for Sophie's thirteenth birthday, and Sophie's diary, in which she discusses the deteriorating condition of her older sister. The book'...