Astrid Maxxim and her Hypersonic Space Plane – 99 cents for Kindle - #YoungAdult - https://www.amazon.com/Astrid-Maxxim-Antarctic-Expedition-Inventor-ebook/dp/B00MSOH6S0/ref=sr_1_3?ie=UTF8&qid=1470278675&sr=8-3&keywords=Astrid+Maxxim#navbar
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