The first two chapters provide a geographical and archaeological background. The main body of the work is divided into three sections: Nigeria Before 1800; Nigeria in the 19th century: and Nigeria in the 20th century.

The book 'Constitution of the Federation of Nigeria' serves as the official document outlining the laws, principles, and organization of the Nigerian government.

The 'Constitution of Nigeria', authored by the Federal Republic of Nigeria, is a comprehensive legal document outlining the fundamental principles, structures, and functions of the Nigerian government.