The Gravity of Us Books in Order

The Gravity of Us centers on Cal Lewis, a Brooklyn teen who wants to be a journalist and already has a big social media following. His world flips when his father is chosen for a highly public NASA mission to Mars, and the family relocates to Houston. There Cal meets Leon, the son of another astronaut, and the series takes off from that mix of first love, family upheaval, and very public ambition.

What makes these books stand out is how grounded they are. The space program is important, but the real drama happens on earth, in kitchens, training facilities, car rides, group chats, and cameras that never seem to go away. Cal's family is pulled into a media circus and a reality show built around the mission, so the story keeps asking what happens when private life becomes content. Cal is observant, talkative, and sometimes impulsive, which makes him a good guide through all that noise.

This is more NASA-adjacent romance than hard science fiction.

Leon changes the emotional temperature of the story. He and Cal connect while both are stuck inside an adult world of pressure, image management, and impossible expectations. Their relationship gives the book its tenderness, but Stamper also leaves room for harder stuff, especially anxiety, mental health, and the strain that a parent's dream can place on the rest of a family. The result is a YA contemporary that feels big without losing its human scale.

The follow-up, After the Launch, is a short companion story set about a year later. Cal is back in New York and wants to fold Leon into the life he missed while away. Instead, he runs into one of the quieter truths of growing up: home does not stay still while you are gone. The piece works less like a full second novel and more like an emotional coda, checking in on Cal, Leon, and Cal's best friend Deb after the headline-making part of the story is over.

The launch may be public. The growing up is personal.

Taken together, these books are best for readers who like contemporary romance with a strong setting and a little extra angle, in this case space travel, internet culture, and the politics of being watched. The tone is warm, funny in spots, and open about feelings without getting too heavy. If you want a queer love story with big dreams in the background and messy, recognizable family life in the foreground, this is the lane.