In Karen Wyle's science fiction novel, [amazon-product text=”Twin Bred” type=”text”]B005VDVHQ2[/amazon-product], humans have been living on a distant planet called Tofran for seventy years and have yet to find a way to communicate with the native species, the Tofa. The Tofa don't communicate through words, their faces are featureless so reading their expressions is out of…