Everyone’s favorite girl inventor is back. The Maxxim space program is in full swing, ferrying supplies to the International Space Station, as Astrid perfects her ground-launched rocket plane. To finish it, she must first deal with Maxxim’s new automotive division, a terrifying vision of the future, and an English class essay, and her cousin Gloria coming for Thanksgiving.

Astrid Maxxim and her Hypersonic Space Plane is available on iBooks for just 99 cents.