- The Lost Journals of Benjamin Franklin: _The Masonic Key_, _The Philosopher's Stone_, and _The Secret of the Liberty Bell_
- The Dangerous Days of Daniel X: _The Darkening_, _The Unseen_, _The Keys to the Kingdom_, _The Last Hope_
- Dark Shadows: Wolf Moon Chronicles: _Bloodline_, _Black Candles_, _Silver Rondo_
- American Chillers: _The Legend of Sleepy Hollow_, _The Secret of the Crystal Cave_, _The Curse of the Spider Queen_, _The Ghostly Galleon_, _Attack at Point Doom_, _The Secret of the Stone Circle_, _Vanished in the Night_, _The Vampire Strikes Back_
- Other: _A Child's Book of Scary Stories_, _Nightfall: Terror in the Twilight_ (co-authored with Stephen King, Joe Hill, and Tim Lebbon), _Shadows Over Baker Street_, _The Man From Hell's Kitchen_, _Under the Witch's Moon_
Nonfiction:
- _The Science of Fear: Why Horror Works_
- _The Unholy Alliance: How Horror Entertained Us While America Slept_
- _The Everything Horror Book: The Best of the Past, Present, and Future_