The Stars are Ours (Pax/Astra, #1)

Earth in 2500AD is no place for a young man with a dream of freedom. And Dard Nordis is worse off than most. His brother was killed for covert activities as a Free Scientist in a world where science is outlawed and blamed for all evils. Now Dard and his niece are hunted and trying to find his brother's friends before their enemies find them and execute them as well. The stakes are high-- he can be shot down and killed like his brother or escape to the stars in a spaceship that the Free Scientists have built in secret! Here is a powerful novel of the future in which the battle-cry is: THE STARS ARE OURS!