Ossuaries and charnel houses

"Have you ever heard of people saving the bones of their ancestors? That's what happens in ossuaries and charnel houses. You might be wondering why people would do this, and there are several fascinating reasons you need to read to believe. Inside this creepy volume, readers will find amazing photographs of charnel houses and ossuaries, including the dark passages of the Paris catacombs and the ornately decorated Sedlec Ossuary. Photographs are paired with engaging passages, sidebars, and fact facts that explain ancient, and not so ancient, death traditions."--Publisher's website.