Welcome, dear reader! I sincerely hope you’ve found your way here to this introduction happy, healthy, and brimming with confidence—or, at the very least, curiosity. I can see you there, standing in your bookstore flipping through the book or sitting in your living room clicking through virtual pages at some online retailer. And you’re wondering whether you’ll buy it—whether this is the book you need for your study guide. You probably have perused the outline, checked the chapter titles—heck, you may have even read that great author bio they forced me to write. And now you’ve found your way to this, the Introduction. Sure, this intro is supposed to be designed to explain the ins and outs of the book—to lay out its beauty and ...

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