* Land of My Mother (1991)
* Ghana’s First President, a Biography of Kwame Nkrumah (1993)
* Echoes of Silence (1998)
* The People Still March: A New Generation of Non-Violent Activists in the 21st Century (2001)
* The African Experience (2011)
* An African in Harlem: A Memoir (2014)
* The Journey from Jamestown: A Chronicle of the African Diaspora (2015)
* Africa's Gift to America: The Afrocentric Idea in African American Culture (2016)
Articles
* "The African Origin of the Human Race: A Challenge to Eurocentrism" (1994)
* "The Role of the African Diaspora in the African Liberation Movement" (1995)
* "Pan-Africanism and Black Internationalism: A Comparative Analysis" (1996)
* "The Afrocentric Idea in African American Culture" (1997)
* "The Challenge of Postcolonial Africa: A Critical Assessment" (1998)
* "Global Africa and the African Renaissance: Prospects and Challenges" (2000)
* "The African Diaspora and the Construction of African Identity" (2001)
* "The Pan-African Movement: History, Challenges, and Prospects" (2002)
* "Africans in America: A Historical Perspective" (2003)
* "The African Union: A New Vision for Africa" (2005)
* "The African Diaspora and the Development of Africa" (2006)
* "Africa in the 21st Century: Challenges and Opportunities" (2007)
* "The African Diaspora and the Obama Presidency" (2009)
* "The Arab Spring: A New Chapter in African History" (2011)
* "Africa and the Global Economy: Embracing the Opportunities" (2012)
* "The African Diaspora and the Future of Africa" (2013)
* "The African Renaissance: A Vision for Shared Prosperity" (2014)
* "Africa and the Sustainable Development Goals: A Path to Sustainable Development" (2015)
* "The African Diaspora and the United Nations: A Partnership for Development" (2016)