Blue Feather Escape

"Katherine," Chelsea whispered, "Are you sure it's safe for Mama and Papa to stay in England?"
When William Tyndale is caught and imprisoned, the Donaldson family find themselves in grave danger. Their Bible-smuggling efforts must be put to a halt. Abe, Jeanette, Chelsea, Davie, and Nina Donaldson are forced to leave their parents behind and flee to a mysterious castle in Germany. But their worries for their parents are soon overshadowed by problems of their own.
What is the strange secret the estate hides?
Why has the castle's master disappeared?
Who was the angry woman at the market?
Even as their world comes tumbling around their shoulders, the five children hold true to their faith and the only One who will never leave them. Even so, it's doubtful they will return to England, now, or ever.