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10 bestCentury Challengesof December 2025

112M consumers helped this year.

1

Global Ageing in the Twenty-First Century: Challenges, Opportunities and Implications

Global Ageing in the Twenty-First Century: Challenges, Opportunities and Implications

Global Ageing in the Twenty-First Century: Challenges, Opportunities and Implications

Routledge

9.7

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2

Geospatial Challenges in the 21st Century (Key Challenges in Geography)

Geospatial Challenges in the 21st Century (Key Challenges in Geography)

Geospatial Challenges in the 21st Century (Key Challenges in Geography)

Springer

9.4

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3

Private Money and Public Currencies: The Sixteenth Century Challenge

Private Money and Public Currencies: The Sixteenth Century Challenge

Private Money and Public Currencies: The Sixteenth Century Challenge

Routledge

9.2

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4

Adolescence in the 21st Century: Constants and Challenges

Adolescence in the 21st Century: Constants and Challenges

Adolescence in the 21st Century: Constants and Challenges

Information Age Pub Inc

8.9

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5

A Hunter Gatherer's Guide to the 21st Century (LEAD)

A Hunter Gatherer's Guide to the 21st Century (LEAD)

A Hunter Gatherer's Guide to the 21st Century (LEAD)

Swift Press

8.6

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6

Global Journalism Education In the 21st Century: Challenges & Innovations

Global Journalism Education In the 21st Century: Challenges & Innovations

Global Journalism Education In the 21st Century: Challenges & Innovations

Knight Center for Journalism in the Americas, Univ

8.3

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7

Small Voice, Big City: The Challenge of Urban Mission: 6 (Urban Ministry in the 21st Century)

Small Voice, Big City: The Challenge of Urban Mission: 6 (Urban Ministry in the 21st Century)

Small Voice, Big City: The Challenge of Urban Mission: 6 (Urban Ministry in the 21st Century)

Urban Loft Publishers

8.0

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8

Misquoting Muhammad: The Challenge and Choices of Interpreting the Prophet's Legacy (Islam in the Twenty-First Century)

Misquoting Muhammad: The Challenge and Choices of Interpreting the Prophet's Legacy (Islam in the Twenty-First Century)

Misquoting Muhammad: The Challenge and Choices of Interpreting the Prophet's Legacy (Islam in the Twenty-First Century)

HarperCollins

7.7

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9

Military Strategy in the 21st Century: The Challenge for NATO

Military Strategy in the 21st Century: The Challenge for NATO

Military Strategy in the 21st Century: The Challenge for NATO

Hurst

7.4

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10

Management Challenges for the 21st Century

Management Challenges for the 21st Century

Management Challenges for the 21st Century

Business

7.1

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