The ISBN of Kingdoms in Conflict is 0-340-41506-1.
The ISBN of The Broken Kingdoms is 0316043966.
The ISBN of The Chronology of Ancient Kingdoms is 978-0766186835.
The ISBN of The Kingdoms of Terror is 0-425-08446-9.
The ISBN of Kingdoms of Sorcery is 0-385-09975-4.
The ISBN of Romance of the Three Kingdoms is 978-7-119-00590-4.
Kingdoms in Conflict was created in 1988.
The ISBN of The Grownups' ABCs of Conflict Resolution is 978-0-9867666-0-2.
Internal conflict
The Wars of the Three Kingdoms took place between 1639 and 1651, with Scotland being heavily involved in the conflict. It included the Bishops' Wars, the English Civil War, and the Cromwellian conquest of Scotland.
Before King Alfred, Britain was ruled by various Anglo-Saxon kingdoms such as Wessex, Mercia, and Northumbria. These kingdoms were often in conflict and vying for power and control over different regions of Britain.
The ISBN of The Summoned is 0-7434-0700-8.
The ISBN of Concrete Mathematics is 0201558025.