Best Biographies of Kings (2026): 5 Top Reads
Five biographies of kings compared by author, depth and era, from Charlemagne to Charles III, plus one Stephen King companion.

At a glance
Top picks
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Finding the best biographies of kings starts with deciding which kind of king you want: the medieval warlord, the colonial tyrant, or the modern monarch on the throne today. We compared five books by listed author, print length, publisher and edition, using only what each listing states, so you can match the book to the reader in front of you.
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Quick picks
Best Overall George III: Last King: Andrew Roberts on George III, 784 pages, acclaimed historian Check price on Amazon
Best Medieval King and Emperor: Charlemagne: Janet Nelson on Charlemagne, 704 pages, praised as detective history Check price on Amazon
Best Colonial Story King Leopold’s Ghost: Hochschild on Leopold II, 416 pages, 25th anniversary edition Check price on Amazon
Best Modern King The King: Life of Charles III: Christopher Andersen on Charles III, 480 pages, first biography Check price on Amazon
Best Companion Stephen King Companion: Stephen King illustrated companion, 240 pages, rare photos Check price on Amazon
The picks
| # | Product | Shelf Score | Buy |
|---|---|---|---|
| 1 | George III: Last King | 9.8/10 | Buy on Amazon |
| 2 | King and Emperor: Charlemagne | 9.7/10 | Buy on Amazon |
| 3 | King Leopold's Ghost | 9.7/10 | Buy on Amazon |
| 4 | The King: Life of Charles III | 9.7/10 | Buy on Amazon |
| 5 | Stephen King Companion | 9.5/10 | Buy on Amazon |

George III: Last King
Andrew Roberts's 784-page biography of George III, written from never-before-published correspondence; suits readers who want the deep reassessment.
Pros
- Acclaimed historian working from new correspondence
- 784 pages, the deepest book here
- Reassesses the last king of America
- Penguin Books, 2023
Cons
- 784 pages is a long commitment
- Revises a familiar story, not new ground for experts
- Single-author view of a contested reign
- No stated edition extras

King and Emperor: Charlemagne
Janet L. Nelson's 704-page life of Charlemagne, praised as detective-like history; suits readers who want the medieval warlord in full.
Pros
- Janet Nelson, a leading scholar of the period
- 704 pages of depth
- Praised as detective-like history by the Wall Street Journal
- First edition, University of California Press
Cons
- 704 pages is a long commitment
- Dense academic approach, not light reading
- First edition from 2019, not a recent update
- Single-author view of a vast subject

King Leopold's Ghost
Adam Hochschild's 416-page account of Leopold II of Belgium and the Congo; suits readers who want the colonial story that reads like a novel.
Pros
- Hochschild, a National Book Critics Circle finalist
- 416 pages, finishes fastest here
- Described as history that reads like a novel
- 25th Anniversary Edition, Mariner Books Classics
Cons
- Dark subject matter throughout
- Covers a brutal colonial chapter, not a light read
- 416 pages but dense narrative
- 25th anniversary edition, not new research

The King: Life of Charles III
Christopher Andersen's 480-page life of Charles III, the first biography since he took the throne; suits readers who want the current monarch.
Pros
- First biography of Charles since he became monarch
- 480 pages of modern royal life
- Author Christopher Andersen
- Gallery Books, 2022 first edition
Cons
- Popular biography, not academic depth
- Covers a still-unfolding reign
- 480 pages, mid-length only
- Single-author view of a contested figure

Stephen King Companion
Bev Vincent's 240-page illustrated companion to the horror author Stephen King; suits readers who want the production value, not royalty.
Pros
- Rare photos from King's own collection
- 240 pages of illustrated material
- Covers his work through Fairy Tale
- becker&mayer! books, 2022
Cons
- Not a biography of a monarch
- 240 pages, the shortest here
- Illustrated companion, not narrative history
- Single-author view of a living writer
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More picks to compare
The White Horse King: Alfred the GreatFor Alfred the Great, the unlikely king who rallied England against the Vikings.Check on Amazon
Alexander: God, King, ManFor Alexander the Great, a fresh retelling drawing on new discoveries.Check on Amazon
King David: A BiographyFor King David, a close critical reading of the biblical texts.Check on Amazon
Martin Luther King, Jr.: A LifeFor a quick introduction to Martin Luther King Jr.'s life and legacy.Check on Amazon
Young King: The Making of Martin Luther King Jr.For the early life of Martin Luther King Jr., from a King scholar.Check on Amazon
Compare the picks
| Book | Shelf Score | Author | Pages | Era | Amazon |
|---|---|---|---|---|---|
| George III: Last King | 9.8/10 | Andrew Roberts | 784 | George III | View on Amazon |
| King and Emperor: Charlemagne | 9.7/10 | Janet L. Nelson | 704 | Charlemagne | View on Amazon |
| King Leopold’s Ghost | 9.7/10 | Adam Hochschild | 416 | Leopold II | |
| The King: Life of Charles III | 9.7/10 | Christopher Andersen | 480 | Charles III | View on Amazon |
| Stephen King Companion | 9.5/10 | Bev Vincent | 240 | Not a monarch | View on Amazon |
Book details as published on each listing, collected 20 October 2026.
How we scored them
The Shelf Score weighs depth of the narrative, the author’s standing, value of the edition, and listed print length. None of the five listings states a warranty term or a safety certification, which is normal for books. How we pick explains the weights.
| Book | Shelf Score | Fit /35 | Contents /25 | Value /25 | Age/level /10 |
|---|---|---|---|---|---|
| George III: Last King | 9.8 | 33 | 22 | 20 | n/a |
| King and Emperor: Charlemagne | 9.7 | 32 | 21 | 20 | n/a |
| King Leopold’s Ghost | 9.7 | 32 | 20 | 20 | n/a |
| The King: Life of Charles III | 9.7 | 30 | 20 | 20 | n/a |
| Stephen King Companion | 9.5 | 26 | 19 | 19 | n/a |
Scores run from 9.2 to 9.8: each book’s point total is placed on that range, so more points always means a higher score. Reading age or level counts on a list where at least one listing gives one, and a book whose listing gives none then scores zero on it. Where no listing gives one, the score is taken over the other 85 points. Books carry no warranty, so warranty is not scored.
How to choose the best biographies of kings
Match the era to the reader
The eras run from the ninth century to the present. King and Emperor covers Charlemagne at 704 pages, King Leopold’s Ghost covers Leopold II of Belgium at 416 pages, The Last King of America covers George III at 784 pages, and The King covers Charles III at 480 pages. For a reader new to the genre, the shorter Leopold book finishes fastest; the George III book is the deep dive. For other history lives, see our biographies of Napoleon.
Check who wrote it
The authors are the draw here. Andrew Roberts is described as an acclaimed historian who worked through never-before-published correspondence for the George III book. Janet Nelson’s Charlemagne book is praised by the Wall Street Journal as detective-like history. Christopher Andersen is a widely read author, and his Charles III book is the first biography since the king took the throne. For more lives of leaders, see our biographies of Leonardo da Vinci.
Note the one that is not a king
The Stephen King Companion is a 240-page illustrated companion to the horror author, not a biography of a monarch. It earns its spot on production value: rare photos and documents from King’s own collection, covering his work through Fairy Tale. If you came for actual royalty, skip it and start with Charlemagne or Leopold. For more statesman lives, see our biographies of Kissinger.
Frequently Asked Questions
Which is the longest book here?
The Last King of America at 784 pages. King and Emperor follows at 704 pages.
Which book is about Charles III?
The King: The Life of Charles III by Christopher Andersen, 480 pages, described as the first biography of Charles since he became monarch.
Which covers colonial Africa?
King Leopold’s Ghost by Adam Hochschild, 416 pages, about Leopold II of Belgium and the Congo.
Is the Stephen King book a biography of a king?
No. It is an illustrated companion to the horror author Stephen King, with photos and documents from his collection. It is included here for its production value, not for royalty.
Do any list a warranty?
No. None of the listings states a warranty term, which is normal for books.
Related lists
See every history and biography list and all nonfiction lists. Also see our biographies of Napoleon. Also see our biographies of Kissinger.
More picks: browse history and biography, nonfiction and biographies of Leonardo da Vinci.