The reviewer finds the book cleverly written and important, noting its significance in the science fiction genre.
Zachary Houle appreciates the clever writing and the importance of the book within the science fiction genre. He highlights how the genre tends to be ghettoized but acknowledges the book's contribution to it.
Quick quotes
I would agree, though, that it is very cleverly written and important.
science-fiction, as a genre, tended to be ghettoized as space ...
it is very cleverly written and important.