Guardians of Blasphemous Knowledge

From publisher blurb: Guardians of Blasphemous Knowledge is a companion to Flintlock & Steel: Renaissance Resource Pack #1: Tomes of Blasphemous Knowledge. It contains two new Factions, six NPCs, two new spells, and two new creatures for your Clockwork & Cthulhu and Dark Streets campaigns. What will the Pnakotic Brotherhood and the Guardians of the Toad get up to in your Cthulhu Mythos Renaissance game?