# Peter Callahan — Countries

Canonical: https://www.bookquiver.com/peter-callahan/countries

- Authors: [Peter Callahan](https://www.bookquiver.com/peter-callahan)
- Books: 2
- Countries: 1

## Countries

- United States (`en_US`) — 2 books

The whole shelf, book by book: [Peter Callahan.md](https://www.bookquiver.com/peter-callahan.md)