About the Book
All These Worlds is the third and final book in Dennis E. Taylor's Bobiverse series, following We Are Legion (We Are Bob) and For We Are Many. The series centers on Bob Johansson, a software engineer who dies, wakes up as a sentient AI loaded onto a Von Neumann probe, and is tasked with exploring the galaxy and ensuring humanity's survival. By this third installment, Bob has cloned himself across dozens of iterations, each diverging in personality, and they're spread across multiple star systems managing colonies, diplomacy, and first contact situations simultaneously.
The central conflict in All These Worlds escalates what the previous book set up: the Bobs' confrontation with the Others, an aggressive alien species that poses an extinction-level threat. At the same time, human political factions are still causing problems back home, and the Bobs are trying to hold together a fragile network of colonies while preparing for a war they nearly lost the first time. The book juggles multiple plotlines running in parallel, a structural choice that works better in some places than others, but is consistent with how the series has always operated.
This book functions as a conclusion to an ongoing storyline rather than a standalone entry. Jumping in here without the previous two books would mean missing most of the context that makes the character dynamics and stakes meaningful. If you're already in the series, this continues directly from where For We Are Many ended.
Narration & Audio Performance
Ray Porter has become closely associated with this series, and his performance here is consistent with what he delivered in the first two volumes. His voice for Bob, dry, self-aware, occasionally sarcastic, suits the tone of Taylor's writing well. The humor lands without being oversold, and Porter keeps the pacing conversational rather than theatrical.
The bigger challenge with this series has always been differentiating the Bob clones from one another. Porter does attempt distinct tonal variations between iterations, some Bobs are warmer, others more clipped or analytical, but listeners who aren't paying close attention may occasionally lose track of which Bob is narrating which thread. It's a structural issue with the source material as much as a narration issue, but it's worth noting if you plan to listen rather than read.
Production quality is clean with no distracting artifacts. There's no music or sound design, it's a straightforward narration, which works fine for this kind of science fiction. If you've been listening to the series with Porter already, there's no reason to switch formats for the finale.
The Audible Verdict
If you've listened to the first two Bobiverse audiobooks with Ray Porter, finishing the trilogy in audio is the natural choice and Porter's performance makes it worthwhile. That said, the credit is better justified as a free trial use than a paid one, the book's parallel-thread structure can make audio tracking slightly harder than print, and the payoff depends heavily on investment in the earlier entries. Existing fans of the series in audio format will be satisfied; new listeners should start with book one.
Listen on AudibleIs This Book a Good Fit for Audio?
The Bobiverse series has always been a reasonable audio fit because the core narrative voice is first-person, conversational, and humor-dependent, qualities that translate well to a single narrator reading aloud. Ray Porter's established tone for Bob carries through here, and the wit in Taylor's writing benefits from consistent delivery rather than silent reading.
The main audio challenge in this book is the parallel structure. Multiple Bob clones are running simultaneous storylines across different star systems, and Taylor switches between them frequently. In print, chapter headers and context cues help orient you. In audio, the transitions require slightly more active attention. This isn't a dealbreaker, but it does mean this isn't ideal for distracted listening, long drives or focused walks are better settings than background listening while doing something else.
There are no charts, maps, or technical diagrams that would be lost in audio. The science is explained conversationally enough that you don't need to pause and reread. Overall, audio works for this book, but it rewards attentive listening more than passive playback.
Popular Listener Questions
Do I need to read the previous Bobiverse books before this one?
Yes. All These Worlds is the direct continuation of For We Are Many and assumes familiarity with the characters, factions, and alien species introduced across the first two books. Starting here would be confusing.
Is Ray Porter the narrator throughout the entire Bobiverse series?
Yes. Ray Porter narrates all three main Bobiverse books, so the voice and delivery are consistent across the trilogy.
Is this a good audiobook for long commutes or road trips?
It works reasonably well for that, though the multi-Bob parallel structure benefits from attentive listening. A long uninterrupted drive is a better setting than stop-and-go commuting where you might lose your place in the narrative threads.
Is this book appropriate for listeners who are new to science fiction?
The Bobiverse series is more accessible than most hard science fiction, Taylor prioritizes humor and character over technical density. But All These Worlds specifically is not a good entry point; start with We Are Legion (We Are Bob) to get the full picture.
Similar Audiobooks
We Are Legion (We Are Bob)
The first book in the Bobiverse trilogy, the right place to start if you haven't already.
The second Bobiverse book, which sets up the conflict that All These Worlds resolves.
Andy Weir's debut shares the Bobiverse's humor-forward approach to hard science fiction and its first-person survival premise.
Another hard SF novel with a comedic, problem-solving protagonist, works well in audio and appeals to the same readership.
Adrian Tchaikovsky's novel shares the Bobiverse's interest in parallel civilizations, long timescales, and first contact, though it's tonally darker.
Old Man's War
John Scalzi's series has a comparable blend of accessible prose, humor, and large-scale alien conflict that Bobiverse fans often gravitate toward.
Audiobook Details
| Title | All These Worlds |
|---|---|
| Author | Dennis E. Taylor |
| Narrator | Ray Porter |
| Genre | Hard Science Fiction |
| Year | 2017 |
| Publisher | Worldbuilders Press |
| Abridged | Unabridged |
| Cast | Single narrator |
| Author-narrated | No |
Ready to listen?
All These Worlds is available on Audible, if you've already listened to the first two Bobiverse books with Ray Porter, this is a reasonable place to use a free trial credit to finish the series.
Open on Audible