The Alien Detective Agency series of reading books, featuring Jack Swift and Wanda Darkstar, are for children and young adults aged 8 to 14 and over who are struggling to read. Each book has been carefully written for those with a reading age of approximately 7 to 8, but are packed full of adventure and brilliant illustrations to really grab the reader interest. Mirror Mirror - Wanda is trapped inside a mirror by a villainous Venusian vampire. Jack must travel to Venus to the vampire's castle to rescue Wanda and save the world.