Herbert Holtje

• How to double and triple the useful life of everything you own
• Handbook of engineering management
• How to start a home-based business
• Schaum's outline of theory and problems of advertising
• The Parker lifetime treasury of wealth-building secrets
• Handbook of exterior home repairs
• How to Borrow Everything You Need to Build a Great Personal Fortune
• How to start a home-based consulting business
• Photographer's business handbook
• Printing and production for promotional materials
• The complete idiot's guide to writing business books
• The new homeowner's illustrated handbook