In which Callen discusses his appreciation for mysteries that aren't scary; how his mom makes better Halloween costumes than you can buy at the store; the only segment of the PBS News Hour he makes time to watch; his dreams of composing a great song, writing a book, and and painting a famous painting; and SO MUCH MORE.
Callen also sets me straight about Mary Poppins' true disposition.
If you'd like to check out some of Callen's favorite book series, visit:
Dav Pilkey (author of Captain Underpants, Dog Man, and more)
A to Z Mysteries
Encyclopedia Brown