May and her grandmother are a team, especially in anything related to science and flight, but when May becomes the first child astronaut, Grama fears she will leave Earth without a goodbye hug.

"Eleven-year-old Nedda Papas is obsessed with becoming an astronaut. In 1986 in Easter, a small Florida Space Coast town, her dreams seem almost within reach--if she can just grow up fast enough. Theo, the scientist father she idolizes, is consumed by his own obsessions. Laid off from his job at NASA and still reeling from the loss of Nedda's newborn brother several years before, Theo turns to the dangerous dream of extending his living daughter's...

The Roversaurs--half spacecraft and half dinosaur--call on the expertise of their fellow dino-machines, the Diggersaurs--half construction truck and half dinosaur--to help them build a Martian base.