ISBN-13: 9780099510734 / Angielski / Miękka / 2016
ISBN-13: 9780099510734 / Angielski / Miękka / 2016
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.