Boston, 1980. Ada Sibelius is twelve years old and home-schooled. Her days are spent in a lab with her father David, a computer science Professor. David is widely regarded as one of best. That is, until he starts to forget things. But when he leaves a floppy disk for his beloved daughter, she has no idea that it holds the key to her father's past.

__________________________________'A remarkable novel, elegant, wise, and beautifully constructed.' Roddy DoyleTommy Mays, Titan Records' biggest act, is verging on a mid-life crisis;