Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Don't Miss This Group

I'm a bit embarrassed to say that, although I'm a huge science fiction fan and think of myself as being fairly well-read, I had never heard of Octavia E. Butler when I purchased the Xenogenesis Trilogy. I loved this series so much that immediately upon finishing the last book, I looked for more books by Octavia E. Butler and found she is quite well known. (No wonder that I am not her only fan!) This trilogy is thought-provoking. Characters are well developed. The plot is amazing. I have not enjoyed science fiction this much since I discovered Robert Heinlein in the 1970s.