Theme Sets (Science: Extreme Weather): Tornadoes, 8-pack

By National Geographic Learning

8 copies of Tornadoes. Tornadoes are caused by cold fronts and updrafts

• Format: Paperback
• Language: English
• ISBN: 1426361920
• ISBN13: 9781426361920
• Release Date: February 2007
• Publisher: National Geographic School Pub
• Weight: 1.95 lbs.