Grrrrrr! Look out! Here comes the Dirty Great Dinosaur! Its huge! Its hungry! Its the DIRTY GREAT DINOSAUR! Hes going to eat anything in his way! Only Hal (and his little dog Billy) can stop the hungry beastie because they know just how to calm that Dirty Great Dinosaur down.. . Let Hal & Billy show you how to calmly deal with temper tantrums of monstrous proportions! World renowned storyteller Martin Waddell has created a dynamic & action-packed text which perfectly matches this exciting picture book debut from fabulous new illustrator Leonie Lord.