Amazon
Some books are good and some have false doctrine.
Amazon
Korean Translation of: Daily Inspiration for the Purpose Driven Life: Scriptures and Reflections fro by Rick Warren (2004-05-04) (Korean) Paperback – Jan. 1 2004
by Rick Warren (Author)
https://www.amazon.ca/Korean-Translation-Inspiration-Scriptures-Reflections/dp/B01FIW9438/
https://www.amazon.ca
Amazon
More Than a Carpenter - Korean Language Edition / His Story Might Change Yours - Printed in Korea / 2015 Print (Korean) Paperback – Jan. 1 1972
by Josh McDowell (Author), Sean McDowell (Author)
https://www.amazon.ca/More-Than-Carpenter-Language-Printed/dp/B01BHTBQ82/
https://www.amazon.ca
Amazon
My Utmost for His Highest (Korean) Paperback – March 1 2009
by Oswald Chambers (Author)
https://www.amazon.ca/Utmost-His-Highest-Oswald-Chambers/dp/8977821738/
https://www.amazon.ca
Amazon
The Life Without Limits (Korean Edition) (Korean) Paperback – October 1, 2010
by Nick Vujicic (Author)
https://www.amazon.com/Life-Without-Limits-Korean/dp/8953113857/
https://www.amazon.com
Bible in my Language
https://www.bibleinmylanguage.com/search.php?search_query=korean&Search=
https://www.bibleinmylanguage.com
Christianbook
Handbooks
http://www.hanbooks.com/christianity1.html
not all are good
Lifeway
https://www.lifeway.com/en/searchpage.html?searchTerms=korean
King of Glory Online Book
https://rockintl.org/king-of-glory-picture-book/
https://rockintl.org/rock-document/%ec%98%81%ea%b4%91%ec%9d%98-%ec%99%95-korean-king-of-glory/
Norman Geisler
Translation Korean