Skellig by David Almond

skellig
Michael’s baby sister is seriously ill. While his mother spends most of her time at the hospital, his Dad loses himself in fixing up their new house. Meanwhile Michael, explores the crumbling, decrepit garage. Beneath the decay of the garage, among spider webs and dead flies, Michael discover a strange being. Michael rescues the being with the help of his new friend, Mina. This fascinating creature changes their world forever.