Most are published by IK Bard (see here), though a few other publishers are named (e.g. Lira Print). Best non-publisher site for finding information about Bulgarian books is chitanka.

Ad blocker interference detected!

Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers

Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.