Contact
A mistake in an order, a world to add, or anything else: write to us.
Through the form
The easiest way is the contact form in the catalogue. No account is needed. Your address is optional: leave it if you would like an answer.
By email
You can also write directly to [email protected].
A mistake in a book
If you are writing about a mistake, say which book it is and what is wrong. A correction is checked against the edition before it goes into the catalogue.