Suerig, R. F. God's Message Through the Ages. St. Louis, Mo.: R. F. Suerig, nd. 
Stiff gray wrappers, 5 x 7 1/4 inches, covers with some soil & smudges, 95 clean pp., rfep with notes in ink, folding chart at end, top right corner bumped. Good. Paperback.
The booklet is intended to explain the large folding dispensational chart found at the end of the book.
Raymond F. Suerig (1900-1994), "Suerig pastored Congregational and Presbyterian churches in Saint Louis and Denver before founding and pastoring the Grace Memorial Church in Denver (1947-1984). For 45 years he was teacher of The Grace Broadcast, a national radio program. He was longtime editor of The Testimony magazine, was an associate of Charles F. Baker, [and] J. C. O’Hair in founding the Grace Gospel Fellowship." - Pilkington and Sons, online.