Bidspirit auction | The Secret of the Ages

The Secret of the Ages by Robert Collier :Complete Set - The Secret of the Ages by Robert Collier (Complete Seven Volume Set) Title: The Secret of the Ages (aka The Secret of the Ages in Seven Volumes) Publisher: Robert Collier. 1926. Binding: Hardcover red board. Book Condition: Good clean tight copy. Shelf wear. Tanning along fore-edges and pages. Bumping along edges and tips of boards. Rubbing and fading to boards.