I'm not entirely sure whether Ben Bova or his "Grand Tour" books qualify as "lesser-known" or "underrated," as they do seem to have quite...

So here's one I just finished that seems to be essentially unknown in SF circles these days, both the author and the book, despite having...

Ok, let's look at something a little less off-the-wall, and a little more traditional "hard" SF. The fact that this book does the whole...