Summary: Oldbuck's grand library with its antiquarian treasures, cat and books, reflecting his passion. He preferred personal effort in collecting, unlike modern expensive collectors, following a spirit akin to Don Quixote. His hobby showcased editions based on rarity, size, condition, etc. Lovel, his guest, observed and admired the collection. In a light-hearted banter about authorship and the novel's completion, the narrator hints at intertwined real-life influences with fictional creation. The plot also takes us through the Farnley Reliquae intrigue with Captain Taffril's letters, casting a glimpse into the characters' lives and the Antiquary's providence in solving the riddle.