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Rocket girl : the story of Mary Sherman Morgan, America's first female rocket scientist
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Von Braun : dreamer of space, engineer of war
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Dark side of the moon : Wernher von Braun, the Third Reich, and the space race
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When sparks fly : the true story of Robert Goddard, father of US rocketry
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Rocket girl the story of Mary Sherman Morgan, America's first female rocket scientist
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Rocketry : investigate the science and technology of rockets and ballistics
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Make: rockets : down-to-earth rocket science
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How to build a fizzy rocket
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High-tech DIY projects with flying objects
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Science comics. Rockets : defying gravity
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Chilton's guide to small engine repair-- up to 2O HP : repair, maintenance, and service for gasoline engines up to and including 20 horsepower
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How to repair diesel engines
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Small engines, operation and service
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How to repair Briggs & Stratton engines
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Sparks and flames : ignition in engines : an historical approach
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Small gas engines
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Repairing your outdoor power equipment
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Gas engine manual
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Small engine care & repair : a step-by-step guide to maintaining your small engine
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The Way Things Work: Engines
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The Haynes small engine repair manual :5.5 HP through 20 HP four-stroke engines
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Small engine care & repair :a step-by-step guide to maintaining your small engine
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Small gas engine repair
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Small engines and outdoor power equipment : a care & repair guide for: lawn mowers, snowblowers & small gas-powered implements
