sentences:  After numerous battles with Astrogaters (or Kuktonians as they call themselves), and receiving some help from Earth military forces, they manage to reach Tuat.One of the children is captured and taken prisoner on Tuat where he learns that there is a rebel faction among the Kuktonians and effects an escape with the help of the imprisoned rebels.After liberating the alien prisoners, the children learn that their parents have been moved planet side to Kukto, where they make an attempt to rescue them.