Dinopants by Ciaran Murtagh
Caveboy Charlie Flint is fed up with all the dinosaurs pooing all over his hometown of Sabreton. When he finds his brand new club covered in dinopoo it's the last straw. He comes up with a fabulous new invention - dinopants! They fast become the must-have fashion accessory among all the dinosaurs - except for the terrifying T. Rex who wants to make Charlie and his pants history!