Instruct: Classify the given review into positive or negative sentiment.
Query: A "must" for all Kevin Anderson fans!

Dogged Persistence is Kevin Anderson's first book-length collection of short stories and provide a range of fine fantasies which cover everything from nanotechnology and questions of humanity to a horror story set in Africa. Whether it's hard science fiction or fantasy, Anderson's many talents and ability to weave an engrossing tale are aptly displayed in this collection.