Meet Ellie—an enthusiastic, bumbling teenager who is fascinated with Mars. When a misunderstanding lands her in the astronaut training program for the first human mission to Mars, Ellie is determined to prove her worth. The hilarious Long-Lost Secret Diary series puts readers inside the heads of hapless figures from history stuggling to carry out their roles and getting things horribly wrong. The accessible, irreverent stories will keep young readers laughing as they discover the importance of not being afraid to learn from mistakes. Fact boxes, a glossary, and additional back matter provide historical context and background.