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Quick answer: If you read The River of Doubt, read Candice Millard's Destiny of the Republic and Hero of the Empire, then The Lost City of Z, Endurance and In the Kingdom of Ice. All are gripping true adventure stories about explorers who nearly didn't make it home.
Candice Millard's 2005 book tells how Theodore Roosevelt, after losing the 1912 election, joined an expedition to explore an unmapped Amazon river and nearly died. It is fast, vivid and full of danger. The books below offer similar tales of exploration, survival and the cost of ambition.
Table of Contents
Quick Picks at a Glance
| Book | Author | Ages | Best For |
|---|---|---|---|
| Destiny of the Republic | Candice Millard | Adult | more Millard |
| Hero of the Empire | Candice Millard | Adult | young Churchill |
| The Lost City of Z | David Grann | Adult | vanished explorer |
| Endurance | Alfred Lansing | Adult | polar survival |
| In the Kingdom of Ice | Hampton Sides | Adult | Arctic disaster |
| Over the Edge of the World | Laurence Bergreen | Adult | Magellan's voyage |
| The Worst Journey in the World | Apsley Cherry-Garrard | Adult | Antarctic classic |
| Colonel Roosevelt | Edmund Morris | Adult | Roosevelt's later life |
| Mornings on Horseback | David McCullough | Adult | young Roosevelt |
| The Boys in the Boat | Daniel James Brown | Adult | Olympic rowers |
| The Wager | David Grann | Adult | shipwreck history |
| Into Thin Air | Jon Krakauer | Adult | mountain disaster |
| The Terror | Dan Simmons | Adult | arctic horror |
| Unbroken | Laura Hillenbrand | Adult | war and survival |
| Skeletons on the Zahara | Dean King | Adult | desert survival |
1. Destiny of the Republic by Candice Millard

The story of President James Garfield's assassination and the doctors who failed him. Gripping and surprising.
Best for: more Millard.
2. Hero of the Empire by Candice Millard

Millard tells the story of Winston Churchill's daring escape in the Boer War. Fast and vivid.
Best for: young Churchill.
3. The Lost City of Z by David Grann

Grann follows the search for the explorer Percy Fawcett in the Amazon. Obsessive and thrilling.
Best for: vanished explorer.
4. Endurance by Alfred Lansing

Shackleton's crew is stranded in Antarctica for months. A classic of exploration.
Best for: polar survival.
5. In the Kingdom of Ice by Hampton Sides

The USS Jeannette sails for the North Pole and is crushed by ice. Vivid and tragic.
Best for: Arctic disaster.
6. Over the Edge of the World by Laurence Bergreen

The first circumnavigation of the globe, told in detail. Epic and brutal.
Best for: Magellan's voyage.
7. The Worst Journey in the World by Apsley Cherry-Garrard

A survivor recalls Scott's polar expedition. Stark and moving.
Best for: Antarctic classic.
8. Colonel Roosevelt by Edmund Morris

The last part of Roosevelt's life, including the Amazon trip. Rich and detailed.
Best for: Roosevelt's later life.
9. Mornings on Horseback by David McCullough

McCullough's account of Roosevelt's childhood and early years. Warm and readable.
Best for: young Roosevelt.
10. The Boys in the Boat by Daniel James Brown

An American rowing crew rises to win gold in 1936. Inspiring and moving.
Best for: Olympic rowers.
11. The Wager by David Grann

A British warship is wrecked and the survivors turn on each other. Gripping narrative non-fiction.
Best for: shipwreck history.
12. Into Thin Air by Jon Krakauer

Krakauer's account of the 1996 Everest tragedy. Tense and unsparing.
Best for: mountain disaster.
13. The Terror by Dan Simmons

Two ships are trapped in ice and something stalks the crew. A fictional take on the Franklin expedition.
Best for: arctic horror.
14. Unbroken by Laura Hillenbrand

An Olympic runner survives a plane crash, drifting at sea and a prison camp. Gripping and emotional.
Best for: war and survival.
15. Skeletons on the Zahara by Dean King

American sailors are shipwrecked and enslaved in the Sahara. Harrowing and detailed.
Best for: desert survival.
How We Chose These Books
Every pick is a real, widely available book that shares something specific with The River of Doubt: its tone, its themes, its pace or the kind of characters it puts at the center. We mixed well-known favorites with a few less obvious titles, and we noted who each book suits best so you can match it to the reader. Where a book belongs to a series, we list the first volume so you can start at the beginning.
How to Choose
For more Millard begin with Destiny of the Republic or Hero of the Empire. For polar survival choose Endurance, In the Kingdom of Ice or The Worst Journey in the World. For lost explorers pick The Lost City of Z. For ocean epics read Over the Edge of the World or The Wager. For Roosevelt himself try Colonel Roosevelt or Mornings on Horseback. Narrative non-fiction like this works well as audiobooks. Roosevelt's expedition happened in 1913-14 with Brazilian explorer Candido Rondon, and the river was later renamed Rio Roosevelt in his honour. Millard's books are widely loved as audiobooks, and the narrator's pace suits expedition stories. If you enjoy her research, check the notes and bibliography for further reading. If you want fiction in the same spirit, The Terror turns an Arctic expedition into horror. Libraries usually have most of these narrative non-fiction titles.
Related: Virgin River Books In Order Printable List · The Frozen River Book Club Discussion Questions (With Summary and Themes)
Frequently Asked Questions
What is The River of Doubt about?
Roosevelt's near-fatal expedition down an unmapped Amazon river.
Who wrote it?
Candice Millard.
When was it published?
2005.
Is it a true story?
Yes, it is narrative non-fiction.
Is it a long book?
Around 400 pages, with notes.
Is it about politics?
Only a little. It focuses on the expedition.
Is it good for fans of adventure?
Yes, it reads like an adventure novel.
What should I read next?
Try The Lost City of Z or Destiny of the Republic.
Why was the river called the River of Doubt?
Its course and whereabouts were unmapped, so even the explorers were unsure where it led.
Did Roosevelt really nearly die?
Yes. He suffered a leg injury and fever, and the expedition faced hunger and conflict.