It's the all you need resources for beginners & experienced paper airplane fliers alike with a total of 20 models & 112 flyers ready to pull out & fold But the planes are just the beginning The book features an enhanced & expanded text section with more photos & tons of cool information on aerodynamics competitions & designing your own high-performing models Readers will learn why paper airplanes fly (and why they crash) the history of Ken Blackburn's world record & how to organise & win a contest Plus there's a flight log & pull-out runway for practicing accuracy