Out Of Time Books in Order
Part ofDavid Brin Books in OrderExplore David Brin's Out Of Time books in order, with quick summaries, series background, and where to start this shared-world YA time travel adventure.
Last updated: July 3, 2026
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Out Of Time books in publication order
4 books
The Game of Worlds
by David Brin
1999
A young outsider is yanked into the future and dropped into a crisis that spans more than one world. The fun comes from watching a teen problem-solver navigate alien politics, danger, and a mission adults cannot finish alone.
Tiger in the Sky
by David Brin
1999
Teens yanked from different times end up on a remote space station with a cabin boy from Drake's era and a rebuilt saber-tooth tiger. Their enemy is alien, collective, and hard to hate, which makes the mission even worse.
Yanked!
by David Brin
1999
Three teens from wildly different times are pulled into the twenty-fourth century because adults cannot handle a crisis alone. To rescue a lost star colony, they have to trust one another before the future sends them home, or doesn't.
Boondoggle
by David Brin
2025
Project Hourglass pulls a wild team of teens, from 1879 to the late 2020s, onto a sabotaged space station. They have to sort alien rumors from human motives before panic wrecks a fragile interstellar alliance.
Out Of Time books in chronological order
Series background & context
Out Of Time is a shared-world YA science fiction series built on a very simple hook: the future needs help, and only teenagers can survive the trip. In Brin's setup, humanity has done surprisingly well by the twenty-fourth century. It is not a ruined dystopia. That is the twist. The people of that near-utopia are decent, advanced, and suddenly in trouble anyway. When they need grit, improvisation, and a willingness to break patterns, they reach backward through time for kids.
That means every book gets to throw together a team that should not logically exist. A modern teenager might end up beside a Viking girl, an Elizabethan thief, or a cabin boy from Drake's era, all of them trying to solve a problem in space. The clash of backgrounds is a big part of the fun. So is the question underneath it. If you remove young people from their own time and drop them into the future, what strengths travel with them besides courage?
The early books show how flexible the premise can be. Yanked! sends its recruits on a rescue mission tied to a lost star colony. Tiger in the Sky moves to a remote station near the edge of the solar system and adds a hive-minded alien threat. The Game of Worlds continues the pattern of throwing young outsiders into crises that adults with better technology still cannot manage cleanly. The series keeps the focus on action, but it always gets some mileage out of culture shock and teamwork.
Adults are not useless here. They are just limited.
That is what gives the books their hopeful tone. Brin's future is not asking kids to replace civilization because civilization failed. It is asking them to supply qualities that a comfortable society has let go a bit slack. Curiosity. Nerve. Stubbornness. The willingness to act before a committee finishes talking. As a result, the stories feel more adventurous than grim, even when the stakes involve aliens, sabotage, or stranded colonies.
Because the line is shared-world, different books can lean in different directions. One may feel more like time travel adventure, another like space survival, another like diplomatic puzzle solving. What links them is Project Hourglass, the time-yanked teams, and the belief that history is full of young people who could rise to a challenge if anyone actually gave them one.
So if you like science fiction for younger readers that stays upbeat without getting soft, Out Of Time has a nice lane of its own. It treats the future as worth saving, treats teenagers as capable, and makes cross-era teamwork the engine for almost everything interesting.
Edited by
Software engineer whose passion for tracking book recommendations from podcasts inspired the creation of MRB.
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