Obsidio
A epic, devastating Young Adult ya science fiction built around war, sacrifice, final stand. 615 pages with a gentle romantic thread and a satisfying conclusion.
Best for readers who want…
Epic. Devastating. Action-Packed.
Mood Match
Skip this book if…
- You want a light, comforting read
- You haven't read the earlier books in the The Illuminae Files series
- You want a quick, short read
- You prefer realistic, contemporary settings
Content notes
Mood, trope, and intensity breakdown
How this book actually feels — based on mood analysis, not publisher blurbs.
Books like Obsidio
Matched on shared moods, tropes, and reading experience — not just genre tags.
Quick answers readers search for
Is Obsidio spicy?
Sweet (1/5) — hints of romance but nothing explicit.
Do I need to read Obsidio in order?
Obsidio is book 3 in the The Illuminae Files series. Reading in order is recommended.
Who would enjoy Obsidio?
Readers who love epic and devastating stories with war and sacrifice. Best suited for Young Adult readers and up.
What kind of read is Obsidio?
A epic, devastating Young Adult ya science fiction built around war, sacrifice, final stand. 615 pages with a gentle romantic thread and a satisfying conclusion.
What are the content warnings for Obsidio?
Content notes include: violence, death. Sort By Cravings always flags these so you can make informed choices.
Every Sort By Cravings guide is written after a full read-through — not scraped from publisher blurbs or Amazon summaries. We map tropes directly from the text, cross-reference BookTok and Goodreads reader reactions across 500+ community posts, and calibrate heat ratings against reader consensus before publishing. Mood tags, spice numbers, and “skip if” notes reflect actual reading experience. Read our editorial standards.