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.Renegade Robots - Jack is totally lost in the underground Martian city of Megapolis. Little does he know that soon he will be in the middle of a robot revolution with the mysterious Wanda Darkstar by his side.