Mr. Whittaker uses the Imagination Station to transport cousins Patrick and Beth to the Holy Land in 1000 B.C., where Hugh is trying to change history by helping the Philistines defeat the Israelites.

Time-traveling cousins Patrick and Beth go to ancient Egypt, where they try to find ways to encourage Tabitha, a Habiru girl, and her people, who are being enslaved, to keep faith and hope alive, by exploring the tomb of her people's prince.

Cousins Patrick and Beth travel in Mr. Whittaker's invention, the Imagination Station, to thirteenth-century China, where they meet Marco Polo and Kublai Khan and are mistaken for Christian shamans.