Impending personal tragedy is dimming the brilliant light of Dr. Benjamin Knowlton's world. On the threshold of their greatest achievement, the renowned astrophysicist's beloved wife and partner -- ex-astronaut-turned astronomer -- is dying. But something looms alarningly on the far edge of the solar system: at once a scientific find of unparalleled importance that could ensure the Knowltons' immortality, and a potential earth-shattering cataclysm...

Paris, 1534. A student at the Catholic Collège de Montaigu, serving as a courier for the Inquisition, is murdered by members of an extreme Lutheran sect for the packet of letters he is carrying. His friend and fellow classmate Amaury de Faverges-the illegitimate son of the Duke of Savoy and an expert in astronomy and natural science-is recruited as his replacement and promised a decree of legitimacy if he can uncover the secret that threatens to...

"Beyond the skyline of Toledo stands the Toledo Institute of Astronomy, the nation's premier center of astronomical discovery and a beacon of scientific learning for astronomers far and wide. One of these is George Dermont, a dreamer and a man of deep faith, who's trying to prove the scientific existence of a Gateway to God, and speaks to ancient gods and believes they speak back. Its newest star is Irene Sparks, a pragmatist and mathematician invited...