Shadows of Eternity

Shadows of Eternity is a novel set two centuries from now. Humanity has established a SETI library on the moon to decipher and interpret the many messages from alien societies we have discovered. The most intriguing messages are from complete artificial intelligences. Ruth, a beginner Librarian, must talk to alien minds—who have aggressive agendas of their own. She opens doors into strangeness beyond imagination—and in her quest for understanding nearly gets killed doing it.