Yes, a book’s foreword, preface, and introduction are different. And each has a different purpose. But each has the same goal: To . . .
1. Make an emotional connection with the reader, which will . . .
2. Build credibility for the book’s author and the book, which will . . .
3. Sell more books. Period.
This is the mantra that we self-publishers must always keep in mind for everything we create. Everything, without exception.