When Jack and Annie travel back to the Kansas prairie in search of "something to learn," they gain an understanding of how hard life was for pioneers and they experience the terror of a tornado.

"A few minutes after 9 p.m. on Palm Sunday, April 5, 1936, a massive funnel cloud flashing a giant fireball and roaring like a runaway train careened into the thriving cotton-mill town of Tupelo, Mississippi, killing more than 200 people, not counting an unknown number of black citizens, one-third of Tupelo's population, who were not included in the official casualty figures. When the tornado hits, Dovey, a local laundress, is flung by the terrifying...