Learning the details of others' sex lives is the most enticing of guilty pleasures. We measure our own practices against the "normalcy" that sex surveys seek to capture. Special interest groups use or attack survey findings (such as the claim that 10% of Americans are gay) for their own ends. Indeed, we all have some stake in these surveys, be it self-justification, recrimination, or curiosity--and this testifies to their significance in our culture.

Kiss and Tell chronicles the history of sex surveys in the United States over a century of changing social and sexual mores....