Astrotwins -- Project Blastoff

A team of middle schoolers prepares for blastoff in this adventure from the author of the New York Times bestselling Mousetronaut , based on the childhoods of real-life astronauts Mark Kelly and his twin brother Scott. It’s a long, hot summer and Scott and Mark are in big trouble for taking apart (aka destroying) their dad’s calculator. As a punishment, they’re sent to their grandfather’s house, where there’s no TV and they have to do chores. And Grandpa is less tolerant of the twins’ constant b