When a young girl visits her favorite bookshop one rainy day, something isn't right. The building is dark and cold. Rats skitter past the door. Soft chewing and scratching sounds echo up from the basement. Can the mighty Librarian help the girl defeat the horrors lurking within the bookshop? Uncover hidden dangers and dark mysteries with Secrets of the Library of Doom, a chapter book series from bestselling author Michael Dahl.