From Olympic gold medal winner Mo Farah and bestselling author Kes Gray, comes a fun fiction series which will get kids reading, and running too!Mo and his friends are running together in the local park. Then Mo suggests they run backwards for fun. But what they hadn`t bargained for was running back in TIME. There are DINOSAURS everywhere ... and they are hungry. Luckily Mo and his friends are wearing good trainers for running and finding places to hide. It`s a good job they like running! Follow Mo on his madcap adventures as his running skills go from strength to strength.