The time has come to free Lilith. A year after her promotion to head librarian, Kate finds herself not just in the middle of the reconciliation between the three succubus sisters, but also dealing with the fallout of a millennia old divine conspiracy. Trying to unravel what really happened between the demons and the angels during their shared influence on humanity will unearth uncomfortable and potentially dangerous truths. Only time will tell how far the High Courts of the Heavens will go to keep their past actions a secret.

The Archive is the sequel to The Library and The Librarian, which you should read first.