Is there an audiobook of The Last Contract of Isako?

Yes. The Last Contract of Isako has an Audible audiobook edition, narrated by Mary Robinette Kowal and Dillon Sickels.

How long is the The Last Contract of Isako audiobook?

The The Last Contract of Isako audiobook runs 17 hr 13 min.

Is The Last Contract of Isako on Kindle Unlimited?

No. The Last Contract of Isako was not included with Kindle Unlimited when we last checked on August 16, 2026.

The Last Contract of Isako by Fonda Lee book cover for the Book of the Day science fiction book review

Our score

4.4/ 5

Excellent

Listen to The Last Contract of Isako free with an Audible trial Narrator, runtime & our audio review

Buy on Amazon

As an Amazon Associate we earn from qualifying purchases. Prices may vary.

EDITION PUBLISHEDMay 2026

Genres

Fiction Science Fiction Space Opera

Themes

Loyalty as a commodity in a corporate hierarchyAging, mortality, and the price of one more contractLife extension technology and class divisionEstranged parent-child relationships

The Last Contract of Isako

Name: The Last Contract of Isako
Price: 13.99 USD
Availability: InStock
Author: Fonda Lee

Fonda Lee

Fonda Lee's The Last Contract of Isako is a corporate-samurai space opera about an aging bodyguard-assassin who takes one contract too many, chasing a conspiracy that reaches the very top of the company that owns her death. Readers who loved the political bite of the Green Bone Saga will recognize the knife work here, in this colder, more literal system of a science fiction world.

The Review

Our take

Isako has already picked the spot where she plans to die. On the frozen planet where she's spent forty years working contract security for one company, walking out into the ice until your legs give out counts as retirement, and the distance you cover before you drop sets the payout your family collects. Fonda Lee spends exactly one scene making sure you feel that cold before the plot even starts moving, and by the end of it you understand this economy in your bones. Isako is ready to make that walk. Then her old boss dies before she can, and the company gets specific about wanting her alive a little longer.

The contract that keeps her breathing runs straight through Martim, the one apprentice she trained who never should have made it this far. He was sloppy with a blade and worse with people, and now he's sitting somewhere near the top of the company that used to own both their lives. Isako's assignment is supposed to be simple protection work, and for about a chapter, it is. Then the file underneath it gets thicker. By two hundred pages in she's untangling a scheme that runs through the technology keeping the planet's executives alive well past the age they should be dead, while the workers under them get thinner contracts and colder deaths. Lee builds the mystery like a locksmith building a lock, one small tumbler at a time, and every reveal recontextualizes a scene you thought you understood twenty pages back.

What makes this book sing for anyone who reads science fiction for the machinery under the plot is how literal-minded Lee gets about her economy. Life extension runs on a subscription tier here, not a miracle serum, and the planet's elite pay to keep aging at bay while everyone else works contracts that expire on schedule. Isako's own sword-for-hire arrangement is the same deal at knifepoint instead of a boardroom table. You can map every character's leverage by asking one question: what happens to their body if the money stops. It's a space opera built on a spreadsheet, and somehow that's more unsettling than any alien invasion would have been.

The best surprise is how much of the book runs on family rather than firepower. Isako's relationship with her own daughter is prickly and unresolved in ways that feel true to two people who spent a career apart, and Lee doesn't sand down the resentment on either side to make the ending easier. The plot rewards patience: the back half pulls off a genuine structural swerve, shifting focus to a character you may have written off as background, and the pieces you've been collecting suddenly rhyme in an ugly, satisfying way. Some readers have flagged that the middle third slows down before that swerve lands, and they're not wrong. It's the one stretch where the corporate maneuvering outruns the character work.

Why you should read

Fans of the Green Bone Saga's political bite
Readers who want space opera built on economics, not lasers
Fans of weathered, aging protagonists with real history
Readers who enjoy slow-build corporate conspiracy mysteries

What to expect

A mid-book structural swerve in perspective
Corporate intrigue paced like a mystery, not an action thriller
A frozen, hostile planet rendered in physical detail
Pacing that tightens noticeably in the back half

By the last chapters, the frozen planet stops feeling like backdrop and starts feeling like the real antagonist, a place that never once pretends it wants any of these people alive. Isako spends the whole book negotiating with a system built to spend her, and the move she finally makes is one that system never priced in. It's a cold, exact ending, and it left me wanting to flip back to the first chapter to see exactly where Lee planted it.

Reviewed by Rowan · How our reviews are written

Our verdict

4.4/ 5

Excellent

Listen to The Last Contract of Isako free with an Audible trial Narrator, runtime & our audio review

Buy on Amazon

As an Amazon Associate we earn from qualifying purchases. Prices may vary.

Where to read or listen

Is there an audiobook of The Last Contract of Isako?: Yes. The Last Contract of Isako has an Audible audiobook edition, narrated by Mary Robinette Kowal and Dillon Sickels.
Listen to The Last Contract of Isako free with an Audible trial
We earn from qualifying Amazon purchases.
How long is the The Last Contract of Isako audiobook?: The The Last Contract of Isako audiobook runs 17 hr 13 min.
Is The Last Contract of Isako on Kindle Unlimited?: No. The Last Contract of Isako was not included with Kindle Unlimited when we last checked on August 16, 2026.
How much does The Last Contract of Isako cost?: On Amazon: Kindle $13.99, Paperback $14.59, Hardcover $20.32. Prices as of August 22, 2026 at 2:20 AM EDT and may change.

Filed underScience Fiction Space Opera Browse the archive →

CollectionsHidden Gems Browse collections →

Common questions

What is The Last Contract of Isako about?: Isako has already picked the spot where she plans to die. On the frozen planet where she's spent forty years working contract security for one company, walking out into the ice until your legs give out counts as retirement, and the distance you cover before you drop sets the payout your family…
Is The Last Contract of Isako worth reading?: We scored The Last Contract of Isako 4.4 out of 5. Fonda Lee's The Last Contract of Isako is a corporate-samurai space opera about an aging bodyguard-assassin who takes one contract too many, chasing a conspiracy that reaches the very top of the company that owns her death. Readers who loved the political bite of the Green Bone…