Rollo's Experiments: Youthful Adventures of Learning and Growth

Rollo on the Atlantic: A Young Boy's Maritime Adventure Across the Atlantic

Rollo in Geneva: An Educational Adventure in Historic Geneva

Rollo on the Rhine: A Journey Along the Legendary Rhine: Adventure, History, and Education

Marco Paul's Voyages and Travels: Vermont

Marco Paul's Voyages & Travels: Volume 5

Romulus: Makers of History

Xerxes: Makers of History

Rollo in Scotland

Richard II: Makers of History

Richard III: Makers of History

Margaret of Anjou: Makers of History

Queen Elizabeth: Makers of History

William the Conqueror: Makers of History

The History of Genghis Khan: A Detailed Biography of the Mongol Conqueror and Emperor

Rollo in Geneva

History of Julius Caesar

The Corner-stone: Or, A Familiar Illustration of the Principles of Christian Truth

History of Cleopatra, Queen of Egypt

Franconia Stories: Malleville