Hannah followed Nick's gaze to gray stone walls. In the corner, the highest point on the horizon, stood a chapel with a bell tower topped with a cross. It was Presidio La Bahia. They were headed back to the fort in Goliad. On the top of the wall, seven soldiers aimed muskets toward the prairie and hills. "What did we get ourselves into this time?" Hannah murmured. When Mr. Barrington brings his trunk on a field trip to Goliad, Hannah, Jackie, and...