With a cast of wonderful sea creatures, including a magical mermaid, and plenty of seaside fun, is a brilliant rhyming adventure from the bestselling picture book partnership of Julia Donaldson and Lydia Monks. The clever little ladybird is off on a trip to the seaside, but those two bad men, Hefty Hugh and Lanky Len, are up to their wicked ways again. This time they're planning to steal the mermaid's hair and sell it to a famous star. Luckily, the crime-busting ladybird has a clever plan to stop the thieves!