On June 13, 2015, the book Six-day Manna II was published in Korean. This book was issued for people living in the wilderness-like world to lead them to Canaan, the land flowing with milk and honey.

The contents of the first part of the book covers the Lord's love through 'message of the cross' and spiritual growth through 'measure of faith'. The second part of Six-day Manna II contains how to achieve a sincere heart and full assurance of faith; the issue concerning the completion of adornment as the Lord's bride and how to take a hold of a better dwelling place in Heaven; and, the true Christian life that can accept persecution for righteousness.

This book includes jewel-like messages that workers for God's kingdom must know. So, it will be useful for the Bible study, evangelism, and preaching, and as a guidebook of good faith. It is available in major bookstores such as Kyobo Book Centre, Youngpoong Bookstore, Bandi & Luni's Bookstore, and Books Libro.