Incredible But True Incredible But True Human World History Makers Cities Of The World Art And Music Sporting Headlines Plant Life Fish, Amphibians, Reptiles Birds and Mammals Creepy Crawlies Marine Life Restless Earth Earth's Secrets Changing Weather Seas And Oceans Comparisons Amazing Structures Machines And Man World Of Inventions Travelling Around Mysterious Universe	Flying Squid Some species of squid move so fast that they occasionally become airborne, skimming over the water surface for up to 20 metres at a time.   Previous: Back Book: Incredible But True Section: Incredible But True Chapter: Marine Life