Brad Meltzer’s thrillers gravitate to bestseller lists. His contemporary novels, which include The Inner Circle and The Book of Lies, are steeped in historical facts. But wait, there’s more. Meltzer, who lives in Broward County, has written five comic books including the Eisner Award-winning “Justice League of America,” has two nonfiction books to his credit and is the host of Brad Meltzer’s Decoded on the History Channel.

In his new thriller, The Fifth Assassin, a killer re-creates the crimes of presidential assassins. We talked to Meltzer about the book.Q. Why tackle this chilling subject?

The topic picked me. A reader who works in Washington, D.C., told me he worked in a secret museum that had pieces of Abe Lincoln’s skull, the bones of John Wilkes Booth and the actual bullet that killed Lincoln. “Do you want to see them?” he asked. Yes! From there, I just became obsessed with what the four assassins had in common.Q. What unusual help did you receive in researching “The Fifth Assassin”?

President George H.W. Bush provided great help and insight. There are some things in this world that only a few people know. I always treasure his input. Q. What’s the oddest or strangest thing you uncovered about the presidents?

I found the real hidden tunnel below Camp David. And if you want to know where it is, read Chapter 97. How’s that for a tease?Q. You’ve also written two nonfiction books about heroes for your children. Who are your heroes?

My mom comes first, may she rest in peace. No person loved me more. And no one sold more books.Q. What possessed you to write comic books?

To me, the best part of the story isn’t Superman. The best part is Clark Kent. Because we all know what it’s like to be boring and ordinary and wish we could do something spectacular.Q. If you weren’t an author, what would you be?

A nerdy history teacher.Q. People who have never heard you speak may not realize you are very funny. What makes you laugh?

My hair. Watching my kids listen to Bill Cosby. Albert Brooks. Patton Oswalt.