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Science fiction, as Benford notes in an afterword, is an "idea-intensive genre," and the value of this book lies more in its speculations about "where evolution and technology might take us" than in its mixture of a coming-of-age story with an extended chase sequence. At one level, "Beyond Infinity" is little more than a girl-and-her-dog yarn in which the dog, like Lassie or Rin-Tin-Tin, is smarter than the girl and protects her from successive perils.
The library is a handy device that helps Benford with the chore that burdens every science-fiction writer: having to spend so much time describing and explaining new things. Lecture material clogs the action and interrupts emotional continuity even after mysterious forces from space scorch the Earth...