Richard K. Miller and Associates (RKMA) Market Research Handbooks are useful for industry analysis and consumer analysis. Titles are specific and limited.
Consider looking at a business plan from Business Plans Handbook available from the library to see examples of how to structure and compose a business plan.
Plunkett publications: These almanacs contain information on topics such as companies, branding and marketing.
Consumer Expenditure Survey and American Time Use Survey: Information provided by the United States Department of Labor, Bureau of Labor Statistics (BLS).