Rob worries about everything being bitten by snakes to dinosaurs waiting round the corner. So when the Vorks move in across the road, he is convinced that theyre aliens and that he must save the world!

• Publisher : Puffin (1 Jan. 2009)
• Language : English
• Paperback : 128 pages
• ISBN-10 : 0141324422
• ISBN-13 : 978-0141324425
• Reading age : 7 11 years
• Dimensions : 12.9 x 0.7 x 19.8 cm