Each two-volume book contains four major sections: . - Introduction and Overview: Provides forewords by notables in the field and an outline of the book. - Essays: Features eight to 10 essays on topics such as workplace issues, financial aid, diversity, and more. - Directory: Contains descriptions and contact information for hundreds of organizations, schools, and associations, arranged by topic. - Further Resources/Indexes: Includes glossaries, appendixes, further reading, and indexes

Supplement to 3d ed. called Selected characteristics of occupations (physical demands, working conditions, training time) issued by Bureau of Employment Security.