Yes, you sell, I sell, and indeed everyone sells. This e-book discusses selling as a business activity undertaken by salespeople. But the principles of selling are useful to everyone, not only to people with the title of 'salespeople'. Influencing people and developing mutually beneficial, long-term relationship is vital to every business success. Thus, the principle of selling is useful to everyone even to those not directly involved in selling.
People in business, profit as well as not-for-profit organisation use selling principles all the time. Engineers convince management to support their Research & Development projects; industrial relations executives use selling approaches when negotiating with unions; charitable organisations sell when they solicit for funds and pastors preaching the word of God use personal selling to full advantage when they tell you to amass and store treasures in heaven or to sow in the vineyard of God.
Traditionally, lawyers, account