From Olympic gold medal winner Mo Farah & bestselling author Kes Gray, comes a fun fiction series which will get kids reading, & running too! Mo & 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.. . & they are hungry. Luckily Mo & his friends are wearing good trainers for running & 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.