- Model Rocket Engine Designation article 

- Model Rockets and Real Rockets article
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Junior Intermediate material

-How to build the E2X rocket video

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Junior Advanced material 

-How to get An Award-Winning Finish on Your Rockets written and used with permission from Apogee Components Newsletter

-The Different Rocket Recovery Techniques written and used with permission from Apogee Components  Newsletter

- How to build the Estes Crossfire rocket Video 

-Handbook of Model Rocketry Book

-Apogee Components Website