A hot-shot young investment banker is sent to help one of his firm's most important and mysterious clients. When asked to uncrate and organize a personal library of rare books, the young man's indignation turns to intrigue as he realizes that there may be a unique medieval codex hidden among the volumes.

"The final Testament novel is here! For millennia, Lucifer--the Sum of All Shadows--has been biding his time, rebuilding his influence. At long last, he is ready to enact his ultimate revenge: to reverse the bitter humiliation of the Fall by leading the annihilation of heaven. To combat the ultimate destroyer, Bravo and Emma Shaw have recovered the lost Testament, raced around the world, and battled enemies both human and other. Now, caught between...