The At Issue series includes a wide range of opinion on a single controversial subject. Each volume includes primary and secondary sources from a variety of perspectives -- eyewitnesses, scientific journals, government officials and many others. Extensive bibliographies and annotated lists of relevant organizations to contact offer a gateway to future research.

The At Issue series includes a wide range of opinion on a single controversial subject. Each volume includes primary and secondary sources from a variety of perspectives -- eyewitnesses, scientific journals, government officials and many others. Extensive bibliographies and annotated lists of relevant organizations to contact offer a gateway to future research.

The At Issue series includes a wide range of opinion on a single controversial subject. Each volume includes primary and secondary sources from a variety of perspectives -- eyewitnesses, scientific journals, government officials and many others. Extensive bibliographies and annotated lists of relevant organizations to contact offer a gateway to future research.

The At Issue series includes a wide range of opinion on a single controversial subject. Each volume includes primary and secondary sources from a variety of perspectives -- eyewitnesses, scientific journals, government officials and many others. Extensive bibliographies and annotated lists of relevant organizations to contact offer a gateway to future research.

The At Issue series includes a wide range of opinion on a single controversial subject. Each volume includes primary and secondary sources from a variety of perspectives -- eyewitnesses, scientific journals, government officials and many others. Extensive bibliographies and annotated lists of relevant organizations to contact offer a gateway to future research.