A laugh-out-loud picture book featuring dinosaur bums big and small! "There's a terrible fuss in my Dinosaur Land. T-Rex is feeling so glum. He's HUGE and he's STRONG but, sad to say, there's something wrong with his bum!" Poor T-Rex is having some bum trouble! A musical sparkly bum is not fitting for the King of Dinosaurs. The other dinos think their spiky, big or feathery bums will suit better, but nothing is quite right . Will anyone be able to save the day? A fantastically silly read-aloud textby Dawn McMillan With chaotically fun illustrations by Ross Kinnaird - how many different dinosaurs can you spot? Another hilariousbook in the bestselling NEW BUMseries.