The Unseen World Author:Liz Moore 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. — David is widely regarded as one of best in his field. That is, until he starts to forget things. — When David is diagnosed with Alzheimer’s, Ada’s world falls ... more »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?« less