A vanished golden bookmark, a runaway library ladder, and a high-flying adventure in the castle archives
While his friend Finn rests at home with a cold, King Arthur sets off alone to explore the magnificent Grand Library. There, he meets Professor Terri Pip, the anxious castle archivist, who reveals terrible news: the King's solid gold bookmark has vanished right before tomorrow's official inspection
Following a clue-a single black-and-white feather-Arthur and Professor Terri embark on a perilous climb up a towering three-story bookshelf. Facing jammed library ladders and high-altitude rescues, the tiny duo reaches the roost of Kat the magpie, a polite bird who simply needed something sturdy to hold her place in a giant history book
Can Arthur and Professor Terri craft a clever trade to retrieve the golden treasure, earn a mysterious brass key, and make it back down before sunrise?