Much cyberpunk SF is grimly noir in depicting future-shocked people trapped by their limitations, but in this collection of 19 laid-back yarns, Rucker (Mathematicians in Love
) finds human dilemmas much too important to take seriously. "Jenna and Me," for example, co-written with his son Rudy Rucker Jr., shows President Bush's daughter brain-wiped by agents of the "conspiracy elite," but eventually becoming the unwitting focus for an alien invasion that may remake humanity for the better. "Junk DNA," a collaboration with Bruce Sterling, depicts the accidental benefits of unprincipled commercial exploitation of bioscience. Other stories emphasize extreme physical transformation, positive or negative results of thought experiments, and cheerful horniness. While readers who want rigorously developed plots or characterization may be disappointed, those who can groove on something like a collaboration between Italo Calvino and Jimmy Buffett will find themselves grinning and humming along. (Feb.)