Right Reverend Dr Nana Anyani-Boadum, General Overseer of the Jesus Generation Ministries, has underscored the need for Christians to become effective in prayer, in order to maintain daily communion with God.

By so doing, he said, the Holy Spirit shall help Christians to unmask people around them with double standards, and possessed by Satan.

Rt Rev Dr Anyani-Boadum made the call at the launch of a book in Accra titled: “Devil Unknown.”

The 84-page book was written by Rev Dr Isaac Kojo Mensah, Head Pastor and Founder of Star of Life Chapel International, a fast-growing ministry in Accra.

Rt Rev Dr Anyani-Boadum advised Christians to avoid dealing with those sent their ways by Satan, because their activities contrasted the purity of Christians' visions.

The author of the book, Rev Dr Mensah, advised Christians to be sober in life with friends.

This, he said, is because “betrayers are not seen as enemies from the beginning of a relationship, but they are skillful and dangerous, and are killers and destroyers of relationships.”

“Devil Unknown” points out that God’s plan for our lives is deep and shrouded in mysteries.

The book explains that the devil the unknown, is known through his characteristic of operations.