Trick or treat! Halloween is one of the most exciting holidays. Dressing up in creative costumes and going door-to-door for candy with friends is something most children look forward to all year. It can also be a pretty spooky holiday full of skeletons, demons, and monsters. This book looks at how Halloween has changed over thousands of years, from the ancient Celtic celebration of Samhain to modern-day trick-or-treating. Age-appropriate text and colorful, spooky images will have readers turning the page. Everyone will love this haunting look at the history of Halloween.