If you're going to make a list of the best islands on Earth, you've got to ask an expert. 

Leslie Thomas is a successful writer in England who's been in the business for more than 40 years. He has written more than 30 novels and several travel books, such as Some Lovely Islands, My World of Islands, and The Hidden Places of Britain. Given his interest in islands, we thought he was the natural source for naming the ten best islands.

Here they are: