REVENGE OR PATRIOTISM.......? Astronomer Dr. Selena Hartmann has made a discover that the CIA wants kept secret. When Selena's daughter is threatened and her best friend is killed, she retaliates ..".A LITTLE MASTERPIECE OF DYNAMIC SUSPENSE...and an impressive demonstration of how precarious our world is, both cosmically and socially." Dr. Vladimir Strelnitski, Dir., Maria Mitchell Observatory "NICE JOB ...a FAST-PACED, EXCITING READ..." Dr. D. Yoemans, Mgr., NASA Near-Earth Object, Jet Propulsion Lab In COLLISION COURSE a world-renowned astronomer, Dr. Selena Hartmann, spins toward the...