When Lyle, the Crocodile had terrible toothache, his friends took him to Dr Molar, the dentist, but he couldn't help him. Neither could Dr Canine. How did Lyle eventually get help for his toothache? A great book for encouraging children to look after their teeth with exuberant illustrations from awardwinning illustrator Joan Rankin. When Lyle the Crocodile had a terrible toothache, his friends took him to Dr. Molar, the dentist, but he couldn't help him. Neither could Dr. Canine. How did Lyle eventually get help for his toothache? This fun story encourages children to look after their teeth with exuberant illustrations from award-winning illustrator Joan Rankin.