This post is a part of SciFiMonth by Lisa from Dear Geek Place and Imyril from One More, celebrating all things science fiction. Join us on Twitter at #SciFiMonth and check out all the posts!

As much as I love the colorful galaxies full of various alien species that coexist in a more or less peaceful manner, I think the biggest power of science fiction is presenting the unknown. And to present an alien species that is truly different from human species, not only in its anatomy but also in the way it thinks, is an art in and of itself. Therefore, books that explore this aspect of speculative fiction always get my attention. Here are some that I consider noteworthy, even years (or decades) after I’ve read them. (more…)