Mind Over Matter MARTIN GARDNER, Martin Gardner is the author of numerous books, including "The Healing Revelations of Mary Baker Eddy." His most recent book, "Visitors From Oz," is a fantasy about the adventures of Dorothy, Scarecrow and Tin Woodman in the United States
What Went Wrong in Rwanda? DAVID RIEFF, David Rieff is the author of several books, including "Slaughterhouse: Bosnia and the Failure of the West," and is co-editor of "Crimes of War: What the Public Should Know" (W.W. Norton)
Happy Chaos RICHARD HOWARD, Richard Howard is the author of "Trappings," his 11th volume of poems. He is a professor of practice in the writing division of the School of the Arts at Columbia University
Look Homeward, Angel ZACHARY KARABELL, Zachary Karabell is a contributing writer to Book Review and the author of the forthcoming "The Last Campaign: How Harry Truman Won the 1948 Election" (Alfred A. Knopf)
All Shook Up JONATHAN LEVI, Jonathan Levi is a contributing writer to Book Review
Fewer Nations Are Making War Ernest J. Wilson III and Ted Robert Gurr, Ernest J. Wilson III is director of the University of Maryland's Center for International Development and Conflict Management. Ted Robert Gurr, a professor of government and politics, is director of the center's Minorities at Risk Project
Creating a Memory of Germany's Past James E. Young, James E. Young, professor of English and Judaic studies at the University of Massachusetts, is the author of "Writing and Rewriting the Holocaust" and "The Texture of Memory."
A Tale of Three Mayors Kevin Starr, Kevin Starr is State Librarian of California and University Professor at USC. He is currently working on "The Coast: California in the 1990s."
Echoes of an Empire in Free Fall Michael A. Reynolds, Michael A. Reynolds is a Fulbright scholar in the Department of Near Eastern Studies at Princeton University. He has lived, studied and worked in Russia, the North Caucasus and Turkey
When Should a Dam be Breached? Daniel B. Botkin, Daniel B. Botkin, president of the Center for the Study of the Environment and professor of biology at UC Santa Barbara, is the author of "Passage of Discovery: The American Rivers Guide to the Missouri River of Lewis and Clark."