. . "JUVENILE NONFICTION Social Science Sociology." . . "JUVENILE NONFICTION Health & Daily Living General." . . "Longevitiy." . . . . . . . . "\"At Issue: Extending the Human Lifespan: Books in this anthology series focus a wide range of viewpoints onto a single controversial issue, providing in-depth discussions by leading advocates, a quick grounding in the issues, and a challenge to critical thinking skills\"--" . . . . . . "Extending the human lifespan" . . . . "Juvenile works" . "JUVENILE NONFICTION Science & Nature General (see also headings under Animals or Technology)" . .