
#21 in Romance
Heir of Fire
- 592
- Pages
- about 11 h
- Reading time
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Our view
The third Throne of Glass novel is a dark one: much of it dwells on killing and on painful memories, which some readers find hard to get through. The same material gives the book its hold: it can be upsetting and difficult to set aside at once. At close to six hundred pages and well into a seven-book story, it is for those already following the series and ready for a heavier, more sorrowful instalment.
The view of the BookRank editors, written from readers’ ratings and comments. It does not affect the score or the book’s place in a ranking.
About the book
The heir of ash and fire bows to no one. A new threat rises in the third book in this complete, #1 bestselling Throne of Glass series by Sarah J. Maas, author of the Court of Thorns and Roses (ACOTAR) series.
Reading order · Throne of Glass
Full order & progress →Where the score comes from
The sources average 8.5 across 1,665 ratings. With that many, the reader vote carries 92% of the weight and the score stays at 8.4 — the Romance average of 7.6 barely moves it.
| Source | Average | Ratings | Weight |
|---|---|---|---|
| Open Library | 8.5 | 44 | 3% |
| Hardcover | 8.5 | 1.6K | 97% |
Frequently asked
What age is Heir of Fire for?
Heir of Fire sits on the Young adult shelf in the sources we use, which by convention means roughly ages 13 and up. This is a guide from the book’s category, not a publisher’s age rating. It has 592 pages — longer than 85% of the ranked books in Romance.
In this book
Themes this book shares with others — each leads to the best books on it.
If you liked this
Same shelf — Romance — with scores between 7.6 and 8.8, closest to this book.













