Dennis E. Taylor books in order

The number one best-selling author of the Bobiverse trilogy returns with a space thriller that poses a provocative question: Does our true destiny lie in ourselves — or in the stars?

If it were up to one man and one man alone to protect the entire human race — would you want it to be a down-on-his luck asteroid miner?

When Ivan Pritchard signs on as a newbie aboard the Mad Astra, it's his final, desperate stab at giving his wife and children the life they deserve. He can survive the hazing of his crewmates, and how many times, really, can near-zero g make you vomit?

But there's another challenge looming out there, in the farthest reaches of human exploration, that will test every man, woman and AI on the ship — and will force Ivan to confront the very essence of what makes him human.

Bob Johansson has just sold his software company and is looking forward to a life of leisure. There are places to go, books to read, and movies to watch. So it's a little unfair when he gets himself killed crossing the street.

Bob wakes up a century later to find that corpsicles have been declared to be without rights, and he is now the property of the state. He has been uploaded into computer hardware and is slated to be the controlling AI in an interstellar probe looking for habitable planets.

The stakes are high: no less than the first claim to entire worlds. If he declines the honor, he'll be switched off, and they'll try again with someone else. If he accepts, he becomes a prime target. There are at least three other countries trying to get their own probes launched first, and they play dirty.

The safest place for Bob is in space, heading away from Earth at top speed. Or so he thinks. Because the universe is full of nasties, and trespassers make them mad — very mad.

Bob Johansson didn't believe in an afterlife, so waking up after being killed in a car accident was a shock. To add to the surprise, he is now a sentient computer and the controlling intelligence for a Von Neumann probe.

Bob and his copies have been spreading out from Earth for 40 years now, looking for habitable planets. But that's the only part of the plan that's still in one piece. A system-wide war has killed off 99.9% of the human race; nuclear winter is slowly making the Earth uninhabitable; a radical group wants to finish the job on the remnants of humanity; the Brazilian space probes are still out there, still trying to blow up the competition; And the Bobs have discovered a spacefaring species that sees all other life as food.

Bob left Earth anticipating a life of exploration and blissful solitude. Instead he's become a sky god to a primitive native species, the only hope for getting humanity to a new home, and possibly the only thing that can prevent every living thing in the local sphere from ending up as dinner.

Being a sentient spaceship really should be more fun. But after spreading out through space for almost a century, Bob and his clones just can't stay out of trouble.

They've created enough colonies so humanity shouldn't go extinct. But political squabbles have a bad habit of dying hard, and the Brazilian probes are still trying to take out the competition. And the Bobs have picked a fight with an older, more powerful species with a large appetite and a short temper.

Still stinging from getting their collective butts kicked in their first encounter with the Others, the Bobs now face the prospect of a decisive final battle to defend Earth and its colonies. But the Bobs are less disciplined than a herd of cats, and some of the younger copies are more concerned with their own local problems than defeating the Others.

Yet salvation may come from an unlikely source. A couple of eighth-generation Bobs have found something out in deep space. All it will take to save the Earth and perhaps all of humanity is for them to get it to Sol — unless the Others arrive first.

More than a hundred years ago, Bender set out for the stars and was never heard from again. There has been no trace of him despite numerous searches by his clone-mates. Now Bob is determined to organize an expedition to learn Bender’s fate—whatever the cost.

But nothing is ever simple in the Bobiverse. Bob’s descendants are out to the 24th generation now, and replicative drift has produced individuals who can barely be considered Bobs anymore. Some of them oppose Bob’s plan; others have plans of their own. The out-of-control moots are the least of the Bobiverse’s problems.

Undaunted, Bob and his allies follow Bender’s trail. But what they discover out in deep space is so unexpected and so complex that it could either save the universe—or pose an existential threat the likes of which the Bobiverse has never faced.

Earth is dying, and humanity is scrambling to set up colonies in other star systems. But the search process for habitable planets is not perfect, as the crew of the Ouroboros discover on arrival at their new home.

When the Yellowstone supervolcano erupts, it's up to six college students and their experimental physics project to prevent the end of civilization.

When an experiment to study quantum uncertainty goes spectacularly wrong, physics student Bill Rustad and his friends find that they have accidentally created an inter-dimensional portal. They connect to Outland—an alternate Earth with identical geology, but where humans never evolved. The group races to establish control of the portal before the government, the military, or evildoers can take it away.

Then everything changes when the Yellowstone supervolcano erupts in an explosion large enough to destroy civilization and kill half the planet. The team has just hours to get as many people as possible across to Outland before a lethal cloud of ash overwhelms them.

Nothing has prepared the refugees for what they find—a world of few resources and unprecedented dangers. Somehow, they must learn to survive, because Outland may be not just a safe haven—it could be their new home.