The Mystery in Tornado Alley #155

"When Hannah Gruen inherits a farm from a distant cousin, the Drews, with Bess and George, drive off for a scenic Oklahoma vacation. The plan is to sell the property and pack up whatever mementos Hannah wants to keep. But a terrifying encounter with a tornado is just the beginning of trouble. In a duffel bag Nancy discovers what looks like a ransom note -- and a gruff intruder appears, insisting that the bag is his! Is he planning a kidnapping?"@en
"Nancy is swept into a whirlwind of danger!"@en
"When Hannah Gruen inherits a farm from a distant cousin, the Drews, with Bess and George, drive off for a scenic Oklahoma vacation. The plan is to sell the property and pack up whatever mementos Hannah wants to keep. But a terrifying encounter with a tornado is just the beginning of trouble. In a duffel bag Nancy discovers what looks like a ransom note -- and a gruff intruder appears, insisting that the bag is his!..."
"Nancy and friends take a road trip to a friend's farm, only to find when they arrive that a small tornado has caused some damage to the house. Nancy finds a duffel bag full of maps and sheets of paper with words pasted on them. Nancy suspects a kidnapping is about to take place."@en
"Nancy and her friends investigate the mystery surrounding a ransom note found in an old duffel bag, and when a charming tornado chaser offers to help, Nancy is lead into greater danger as she faces a monster storm."@en