内容简介：
Orphaned since birth, eleven-year-old Al Alpheretz finally gets a family. They take him to Virginia and, just as heas settling in, heas whisked away by Sara, a mysterious winged horse. Earth slips away and Sara transports Al to the constellation of Pegasus, where his dad is the king and he is a prince. Al is having the time of his life until his dad is king-napped and he makes a narrow escape. Back home in Virginia, Al is determined to help his father. With his brainy friend Rory and his pesky stepsister Pearl in tow, they set off on Sara across the universe to save his dad. The most conniving, evil king in the cosmos holds his father captive on Cepheus. And there is only one way to Cepheus, they must travel through a black holea] Will Al, Rory, Pearl and Sara make it through the black hole? Will they save his father and themselves? Will they make it home alive?