I applaud the Korean translation effort. Good work!
Having helped with the Spanish translation of the then latest English Edition of CoC--given chapters to translate by Ray F. and then being asked to proof-read, and submit corrections--I can tell you that putting together a translation of a book consisting of several hundred pages, wasn't an easy task.
At least make the book available in digital format for Kindle's through Amazon.com or e-readers through Barnes and Noble. That could be accomplished in little time, with little money put forward, and the CRH would start seeing money come in as the digital sales start happening.