Author: Robert Roberts. This monthly magazine was first published as Ambassador for the Coming Age, in July 1864 and was renamed "The Christadelphian" from volume 7 onwards.

These magazines in been reprinted as annual volumes in a handsome hard covered book. The final volume to be reprinted was volume 24 for 1887.

The Ambassador for the Coming Age and The Christadelphian from volumes 1 to 137 are also available on a fully searchable CD ROM.