There's a specific kind of person who keeps a folding table permanently set up in the corner of their living room — and this episode is for them. We get into the surprisingly rich history of jigsaw puzzles, from hand-cut mahogany 'dissections' sold as geography lessons in the 1760s to the Great Depression puzzle libraries where neighbors traded boxes like books, and why the pandemic sent the whole world reaching for a cardboard box with a cottage on it. Plus: the etiquette of puzzle hoarding, the controversy of sorting by color first, and why finishing one always feels a little like grief.