The Kangaroo who Couldn't Hop

Children's picture book about a kangaroo who can't hop. Big Red, the leader of all the kangaroos in Australia, tries all kinds of methods to fix the problem, but nothing works. Eventually, the doctor at the hospital suggests a very scary remedy that works. Author and illustrator are based in England. Author writes travel documentaries and comedy for radio and TV. Illustrator creates illustrations and cartoons for newspapers and publishers.