When Mom leaves for work at NASA, a little girl imagines that she's exploring Mars with the Curiosity rover as Dad helps her get ready for bed. In her mind, she pictures taking off, romping about on the red planet, communicating with mission control, and operating the rover. Brianna Caplan Sayres's rhyming text is sure to be lulling for readers and listeners up to 7, while Ryan O'Rourke's mixed-media images have a cinematic quality that makes it easy for future astronauts to visualize setting out on the journey of a lifetime.