- NETHERLANDS AND ITS RULERS 1581-2026: A Journey through the History of the Dutch Crown, the House of Orange, and the Netherlands from Its Early Roots to the Present Era
- SPAIN AND IT'S RULERS: A Fun, Clear, and Story-Driven History of Spain, Its Crowns, Conflicts, Empires, Republics, Dictatorship, Democracy, and Modern Monarchy
- SINGAPORE And its RULERS: An Inspiring Journey from Temasek and the Lion City Legends to Modern Singapore, 1299–2026
- PORTUGAL AND IT'S RULER: An Inspiring History from the Birth of a Kingdom to Modern Portugal, Exploring its Kings, Queens, Presidents, Prime Ministers, and the Long Story of a Nation
- GERMANY AND ITS RULERS: The Story of How Germany Was Built, Broken, Divided, Reunited, and Led by Its Kaisers, Presidents, Dictators, and Chancellors from 1871 to the Present Day






