# Mark Costello — Languages

Canonical: https://www.bookquiver.com/mark-costello/languages

- Authors: [Mark Costello](https://www.bookquiver.com/mark-costello)
- Books: 3
- Languages: 3

## Languages

- German (`de`) — 1 book
- English (`en`) — 1 book
- French (`fr`) — 1 book

The whole shelf, book by book: [Mark Costello.md](https://www.bookquiver.com/mark-costello.md)