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Kirkus Best Book of 2025
How the early Portuguese Empire facilitated the modern slave trade.
The Portuguese conquered the challenges of sailing the unforgiving Atlantic Ocean, extending their colonial empire along Africa's western shores. With their dedication to developing new sailing techniques and groundbreaking new knowledge of weather patterns and ocean currents, Portuguese mariners set the tone for the Age of Exploration. But their navigational achievements had horrific consequences for the people of western Africa: subjection to the slave trade.
Patricia Seed examines the historical and climatic odds that Portuguese seafarers overcame to be the first Europeans to tame the Atlantic. Using insights from fields ranging from oceanography to ethnography, she recounts how the Portuguese rapidly innovated and achieved profound new understandings of the ocean and sailing. At the same time, she foregrounds the reality that these innovations enabled them to inflict unimaginable cruelty as, against sometimes violent resistance, they forged what became their spoils of empire: the lucrative trade in human cargo that enslaved millions across Africa and beyond. Sails and Shadows is a history of incredible ingenuity outweighed and overshadowed by the horrors it wrought.
How the early Portuguese Empire facilitated the modern slave trade.
The Portuguese conquered the challenges of sailing the unforgiving Atlantic Ocean, extending their colonial empire along Africa's western shores. With their dedication to developing new sailing techniques and groundbreaking new knowledge of weather patterns and ocean currents, Portuguese mariners set the tone for the Age of Exploration. But their navigational achievements had horrific consequences for the people of western Africa: subjection to the slave trade.
Patricia Seed examines the historical and climatic odds that Portuguese seafarers overcame to be the first Europeans to tame the Atlantic. Using insights from fields ranging from oceanography to ethnography, she recounts how the Portuguese rapidly innovated and achieved profound new understandings of the ocean and sailing. At the same time, she foregrounds the reality that these innovations enabled them to inflict unimaginable cruelty as, against sometimes violent resistance, they forged what became their spoils of empire: the lucrative trade in human cargo that enslaved millions across Africa and beyond. Sails and Shadows is a history of incredible ingenuity outweighed and overshadowed by the horrors it wrought.
Price: $29.95
Pages: 256
Publisher: University of California Press
Imprint: University of California Press
Publication Date:
20 January 2026
Trim Size: 9.00 X 6.00 in
ISBN: 9780520415874
Format: Hardcover
BISACs:
"Penetrating and original history."
Patricia Seed is Professor of History at the University of California, Irvine. She is the award-winning author of To Love, Honor, and Obey in Colonial Mexico; American Pentimento: The Invention of Indians and the Pursuit of Riches; and Ceremonies of Possession in Europe's Conquest of the New World, 1492–1640.
Contents
List of Illustrations
Introduction
1. Nature Intervenes
2. Around the Bulge: Bojador, 1434
3. From Mistaken Expectations to Conquests: The Sahara, 1434–1444
4. How Trading Replaced Conquest, 1444–1460
5. Language: How Enslaved Interpreters Established Trade
6. A Painted Ship upon a Painted Ocean, 1460–1470
7. Gold at Last: The Route to Mina, 1470–1480
8. A Star to Steer Her By
9. The Deepest River and the Oldest Desert, 1480–1486
10. A First Glimpse of the Indian Ocean, 1486–1488
11. Crisscrossing the Atlantic, 1497
12. Encounters Along the African Coast and in India
13. A Dreadful Mistake: The Return from India
14. The Salty Tears of the Atlantic
Notes
Bibliography
Index
List of Illustrations
Introduction
1. Nature Intervenes
2. Around the Bulge: Bojador, 1434
3. From Mistaken Expectations to Conquests: The Sahara, 1434–1444
4. How Trading Replaced Conquest, 1444–1460
5. Language: How Enslaved Interpreters Established Trade
6. A Painted Ship upon a Painted Ocean, 1460–1470
7. Gold at Last: The Route to Mina, 1470–1480
8. A Star to Steer Her By
9. The Deepest River and the Oldest Desert, 1480–1486
10. A First Glimpse of the Indian Ocean, 1486–1488
11. Crisscrossing the Atlantic, 1497
12. Encounters Along the African Coast and in India
13. A Dreadful Mistake: The Return from India
14. The Salty Tears of the Atlantic
Notes
Bibliography
Index