Terrifying Tales: 13 Scary Stories for Children
This is the book that started it all.
Considered by many the scariest of the Terrifying Tales series.
Tales include: a group of kids that run into Bigfoot while on a camping trip, a story about a girl that moves into a new house that holds some dark, dangerous mysteries (featured for free in The Collection) ,and a "take your child to work" day that goes horribly wrong.
If you think you're brave, then read this book and prove it.