Author: John Thomas, paper back, 48 pages. First published in 1863. This is a facsimile (printed in 1985) of the 1939 edition  published by The Christadelphian (CMPA).
A chronolgy of the scriptures - historic and prophetic numbers and dates. Includes a 4 page appendix by C. C. Walker
 
The "knotty" questions untied and expounded are:
1. Stephen's chronology of Abraham's return to Canaan after Terah's death (Acts 7:4).
2. The age of Joshua at the invasion of Canaan, and consequent time of his administration.
3.The time elapsing between the death of Joshua and the beginning of the time of the Judges.
4. The ending of the time of the Judges.
5. The duration of Saul's reign
6. The 480 years of 1 Kings 6:1. and Paul's chronology in Acts 13
7. The 2,200, 2,300 or 2,400 of Daniel 8:14
8. The Seventy Weeks in their termination
9. Ezekiel's 430 days