<p><b>'A staggeringly beautiful meditation on love, legacy and the emotional necessities that make life worth living.' T�a Obreht, author of <i>The Tiger's Wife</i></b></p> <p>BOSTON, 1980</p> <p>Ada Sibelius is twelve years old and home-schooled. Her days are spent in a lab with her father David, a computer science Professor, and the brilliant minds of his colleagues.</p> <p>David is widely regarded as one of best in his field. That is, until he starts to forget things.</p> <p>When David is diagnosed with Alzheimer's, Ada's world falls apart. But when he leaves a floppy disk for his beloved daughter, she has no idea that the coding within it holds the key to a past that her father refused to talk about. Navigating her teenage years without his guidance, will Ada be able to piece together the father she lost?</p>