Archie Greene and the Raven's Spell

Archie and the Alchemist's Club have been rewriting the magical spells contained within books, but someone is drawing on their power for evil purposes. The museum Elders confirm that their worst fears have come true - the Dark Flame is rising, and they can only stop it by uncovering Fabian Grey's prophecy. Archie vows to help - but is he more closer to the prophecy than he knows? And who is behind the mysterious notes for him, labelled F. G, and with the sign of a raven? With traitors at the mus