On Halloween night, we dress up in costumes, go trick-or-treating, and carve jack-o'-lanterns. But what is really behind these holiday traditions It all started with a greedy man named Jack, who made a pact with the wrong person. When it comes time for Jack to repay his debt, the deal doesn't quite end as he expected. . . . Katherine Tegen weaves together legend and tradition to tell the story of one of Halloween's most popular icons. With vibrant...