Dexter the vigilante serial killer is back and this time he has a shadow. This shadow is causing a lot of trouble for Dexter, making it hard to fake being human. When this person witnessed Dexter and his playmate, this mysterious person makes his life hell. will Dexter be exposed? Will he be framed? Will he loose? You’ll have to read the book and find out. Double Dexter is a fantastic addition to the series, remaining dark, humorous and more exciting that never. I think I’ve found my favourite of the series.