'Most people believe the best way to forget someone is to throw them down a well. Or lock them in a room with eight keys, or bury them at a crossroad in the thirteenth hour. But they're wrong. The best way to forget someone is for them never to have existed in the first place.
'When sixteen-year-old Tuesday wakes from sleep for the first time, she opens her eyes to a world filled with wonder - and peril. Left only with a letter from the person she once was, Tuesday sets out to discover her past with the help of her charming and self-serving guide, Quintalion.
'Along the way she runs into mercenaries, flying cities, airships, and a blind librarian. But what is her connection with the mysterious Book of Days - a book that holds untold power...' (Publication summary)