Author: John Thomas, paper back,  32 pages.  First presented in 1869, this reprint is a copy of the 5th edition published in 1920 by The Christadelphian (CMPA).
The subject is the prophetic periods of Daniel and John and is an explanation of 4 colour charts.
1. The Seven Sealed Scroll. (also  available as a Bible insert.)
2. the Times of Daniel and John (also available as a Bible Insert)
3. Duration of the Kingdom of Men (also available as a Bible insert)
4. Supplementary chart.