Penny Warner

Jim Stevens

Penny Warner has published more than 60 books for both adults and children. She teaches child development at a local college in California. You can join the Code Busters Club at


What was your favorite book when you were a child?

The Nancy Drew mystery series

What’s your favorite line from a book?

“’You’re a good detective, Nancy. You’ve picked up an excellent clue,’ he said.” —The Secret of the Old Clock

Who are your top three favorite authors or illustrators?

Jennifer Choldenko, Chris Grabenstein, Blue Balliett, Lois Duncan, Anne Frank, many more

Why did you want to become an author or illustrator?

I love reading and writing and storytelling, and working with kids.

Do you have any advice for future authors or illustrators?

Keep going, don’t give up, read everything you can get your hands on.