Luke is scared about going to university...but something much more terrifying is threatening his very existence! A creepy Nightmare Man haunts his dreams and begins to take over his waking life, too - but he can't tell anyone. Will Sarah Jane and his friends figure out what's happening and make sure Luke doesn't disappear forever?

Book one of two exciting new novelisations based on a story from The Sarah Jane Adventures, starring Elisabeth Sladen and airing on BBC One this Autumn.

Perfect for reluctant readers,