Ever wondered why we knock on wood, cross our fingers, or say "white rabbits" on the first day of the month? Dive in and learn about fascinating traditions and superstitions from all over the world! The Good Luck Book explores the surprising -- and sometimes scary -- history of the world's most practiced traditions and superstitions (and plenty more that you probably won't have heard of!). Discover superstitions old and new from China to Chile, the USA to the Ukraine. Learn how and why they started, and why people still participate in them today.