The other suggestion is that I use CBO to reach out to overseas publishers who might be interested in publishing work under licence in their native tongue and "maybe you'll earn a few quid from it?"
Seriously, I HAVE done these things.
Any potential customer or overseas publisher can see what is available at any time and I've suggested this before. Use this link.
I am always open to offers to produce foreign editions of Black Tower books. I'm always here or my contact details are in profile (top of page).
Now let's see if they read this!