Series Guide
Welcome to the Multiverse
Every book in Sean Oswald's Welcome to the Multiverse, in order, with the audio release schedule, the crossover map to his other series, and the honest A-mid verdict through book 10.
Start here
Book 1, Induction. A handful of humans are competing in system events off-world while the rest of Earth has no idea the multiverse is coming, and Silas Renner's performance helps decide the planet's placement when it arrives. The premise lands fast, the humor is tuned for people who have read too much LitRPG, and the full review explains the buffet appeal.
Verdict on the series
A-mid — Worth Starting.
A-mid, and the grade needs one sentence of history: through nine books this sat at A-high, then book 10 became the first legitimately bad entry in the run and cost it a band. The full story is in my review.
What it does best. A bit of everything: the Earth-integration arc, the rare ability that draws multiverse attention, faction politics, and a shared-multiverse crossover trick almost nothing else in the genre attempts, all woven into one cohesive, fun story.
Where it sags. Nothing on the buffet is as deep as the series that specializes in it, the numbers get very big without meaning much, and book 10 spends more than half its runtime grinding levels with brand-new characters. Temper expectations for that one; the review has a survival guide.
Books in order
| # | Title | Published | Runtime |
|---|---|---|---|
| 1 | Induction | November 7, 2023 | 12h 20m |
| 2 | Countdown | May 28, 2024 | 13h 13m |
| 3 | Collapse | July 30, 2024 | 12h 51m |
| 4 | Resistance | October 29, 2024 | 14h 10m |
| 5 | Contention | February 18, 2025 | 15h 16m |
| 6 | Control | May 6, 2025 | 15h 44m |
| 7 | Invasion | August 12, 2025 | 16h 53m |
| 8 | Dispute | November 11, 2025 | 18h 35m |
| 9 | Divergence | February 17, 2026 | 19h 41m |
| 10 | Exploration | April 28, 2026 | 20h 16m |
| 11 | Unchained | September 8, 2026 | — |
| 12 | Unique | November 10, 2026 | — |
Book data above is pulled from our full review — updated automatically as new entries publish.
Next audiobook: the series is ongoing, but no next release has been announced.
Travis Baldree narrates the run through Podium Audio.
Who's who (spoiler-safe)
The refresher list, not the encyclopedia: entries describe characters as you meet them, with nothing from later books. Names marked with an asterisk are audio-only spellings I could not verify in print; I've guessed from how Travis Baldree says them.
The core:
- Silas Renner — the main character. A regular guy from modern Earth pulled into the forerunner trials, then marked for bigger things when he becomes a system architect, an ability rare enough that peak factions across the multiverse take notice. (Book 1.)
- Selena — Silas's companion through the run, and half of the series' steadiest relationship thread. (Early books.)
- Samveck Raiden* — Silas's mentor, of Clan Raiden*. Hard-nosed, old-school, and the training arcs run through him. (Early books.)
The crossover visitors (each the lead of another Sean Oswald series; none require homework, though the more you've read, the more they land):
- Ryan — the cultivator protagonist of the complete Crystal Core series (written as David Burke), who crosses into Silas's world with several of his peak-cultivator wives. The crossover done right. (Mid series.)
- Nico — the young dragon at the center of the Dragon Sorcerer books, which open with Claws Out. A small part, handled lightly. (Mid series.)
- Tad — a Fey prince and the lead of the Magic Eater series. Book 10 spends enormous time on him and his supporting cast. (Book 10.)
- Jay — the protagonist of Descend (also written as David Burke), and a recurring powerhouse who guides Silas when he can. (Recurring.)
Book 10's world:
- The Lawgiver — the divinity whose forces rule the Fey-adjacent world Silas lands in: a pure order concept corrupted by its own strictness, and a better villain than the book around him. (Book 10.)
- Violet Violence* — a gnome artificer from an alternate Earth, the best of book 10's new faces, and a crossover from Oswald's Shaman's Call series. The name reads as a Fourth Wing gag: an alternate-Earth gnome named for Violet "Violence" Sorrengail. (Book 10.)
* Audio-only spelling, unverified in print. If you know the official spelling, the About page has contact details; there is no wiki for this series yet, and the forums are full of people asking for one.
Is the series complete?
No, ongoing, and moving at the fastest cadence in the genre: roughly a new audiobook every quarter, with books 11 and 12 already on preorder. Book 11 sends Silas to the homeworld of Crystal Core's protagonist, which is the crossover this series does best, and the review's grade conversation reopens if it lands.
Where to go next
- Defiance of the Fall (JF Brink) — the source of the Earth arc and the big-numbers crunch; denser and deeper if that's the dish you came for.
- The Primal Hunter (Zogarth) — the faction-politics specialist; Silas's system-architect rarity works like Jake's bloodline, played shallower.
- The Path of Ascension (C. Mantis) — the A-high neighbor whose unbroken consistency is exactly what book 10 cost this series.
Full verdicts on the reviews page.