In The Billion Dollar Boy, rich, spoiled, overweight 15-year-old Shelby Cheever is bored, so he convinces his mother to take him on a space cruise. Without proper preparation, and drunk besides, he accesses the node network alone to visit the Kuiper asteroid belt and finds himself hurtled 27 light years out to the Messina Dust Cloud, where he is rescued by a mining family. On the three-month journey home, Shelby must learn how to do for himself in an environment where his wealth and pampered status mean nothing. Another well-written coming-of-age adventure story in the new Jupiter series. For large sf collections. In the hard-science Tomorrow & Tomorrow, Sheffield explores changes in the solar system and the theory of a closed vs. open system wrapped around a tale of a musician’s...