The Gravity of Us

When Cal's dad is selected for NASA's mission to Mars, Cal feels like his future is falling apart.

How can he become a serious journalist when his own family is part of the hottest story around? And how long can his parents pretend to be picture perfect when all they do is fight?

Only Leon understands. He's an Astrokid too. Before Cal knows it, falling apart becomes falling head over heels ...

But as mission frenzy mounts, Cal suspects there are secrets being kept from the families and the world that could change everything.

Can he expose the truth without hurting the people he loves?