Product guide

Kingdoms of Death: The Sun Eater, Book Four

Book: Kingdoms of Death is presented as the fourth novel in Christopher Ruocchio’s Sun Eater series, following Hadrian Marlowe as he is sent to seek the Lothrian Commonwealth’s help against the Cielcin. Its 544-page listing describes a galaxy-spanning story blending space opera and epic fantasy.

At a glance

Fourth novel in The Sun Eater series, centered on Hadrian Marlowe and a mission to bring the Lothrian Commonwealth into the war.
The listing describes a blend of space opera and epic fantasy, set amid an expanding conflict with the Cielcin.
Listed print length is 544 pages.

Price

$9.75Save 63%

Reference price: ~~$26.00~~

Price checked: Nov 13, 2026

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Often bought together

Ashes of Man: The Sun Eater: Book Five

$12.87

Demon in White: The Sun Eater: Book Three

$11.63

Pros and cons

Pros

The plot description gives a clear continuation point for readers following Hadrian Marlowe and the series’ interstellar conflict.
The stated 544-page length helps readers gauge the commitment before buying.

Technical specifications

8 specifications

Book details
Publisher	DAW
Publication date	June 13, 2023
Language	English
Print length	544 pages

Dimensions and installation
Weight listed	1 pounds
Dimensions	5.46 x 1.18 x 8.24 inches

Identifiers
ISBN-10	075641878X
ISBN-13	978-0756418786

What to know before buying

Listing details to confirm

Series placement is inconsistent across the listing: the title and main description identify this as Book Four, while publisher-page copy calls it both a concluding volume and the seventh and final novel. Treat it as Book Four based on the title and main description, and check the edition and series order before purchase.

Who is it for?

A good fit for

Readers already following The Sun Eater and Hadrian Marlowe’s story.
Readers seeking a long science-fiction and fantasy novel featuring interstellar politics and war.

Less suited to

Readers looking for a standalone entry, since the listing presents it as the fourth novel in an ongoing series.

Customer reviews on Amazon

4.6 / 5 · 4,992 ratings

5 stars70%70%
4 stars24%24%
3 stars6%6%
2 stars0%0%
1 star0%0%

Aggregate ratings are strongly positive overall, with most ratings in the top two star categories and a smaller three-star share. This suggests broad approval among raters but does not establish what readers praised or disliked. The listing’s series-position conflict remains relevant for buyers deciding whether this is the intended next installment.

Frequently asked questions

Is Kingdoms of Death a standalone novel?

The title and main description identify it as Book Four of The Sun Eater, so it is positioned as a series continuation rather than a standalone.

What is the book about?

Hadrian Marlowe is sent to the Lothrian Commonwealth to seek support as the Empire faces an advancing Cielcin threat.

How long is the listed edition?

The listing gives a print length of 544 pages.

Does the listing consistently identify its place in the series?

No. The title and main description say Book Four, but other publisher copy describes it as a concluding volume and as the seventh and final novel. Verify the edition and reading order before buying.