Thomas has loaded down her talky metaphysical mystery with lengthy regurgitations of literary, existential, and historical theory, but Our Tragic Universe is less a unified whole than a jumbled yard sale of ideas many of which are still in their boxes, since she hasn't bothered to unpack them. The writing is often top-shelf dead fish look ''as if they'd been just about to say something important when they were caught'' and the characters are well drawn. If only she had given us more of herself, instead of just echoing other people's philosophies. C

