 Greg Bear is an award @-@ winning science fiction writer from Seattle . He has won three Nebula Awards , including the 1995 Award for Best Novel for Moving Mars , and two Hugo Awards , including the 1983 Award for Best Novelette for Blood Music . City at the End of Time was his first novel since Quantico , which was first published in 2005 . Bear 's early influences included science fiction authors Robert A. Heinlein , Isaac Asimov and Poul Anderson . 
