“Eternal Sonata is a brilliant exploration of the many challenges and opportunities our species will face as the exponential growth of real-world technology moves us toward immortality”
-Ray Kurzweil, Inventor, Futurist, and Author of “The Singularity is Near.”

“Taut, Tense, and relentlessly exciting with a spine-chilling plot spanning the globe...Eternal Sonata establishes Metzl as the first great thriller writer of the genetics.”
-August Cole, co-author of Ghost Fleet: A Novel of the Next World War