Windhaven
Windhaven is a science fiction fix-up novel co-written by George R . R . Martin and Lisa Tuttle . 
<triplet> Windhaven <subj> George R. R. Martin <obj> author <subj> Lisa Tuttle <obj> author <triplet> fix-up <subj> novel <obj> subclass of <triplet> George R. R. Martin <subj> science fiction <obj> genre