by Judy Donnelly, Keith Kohler, National Geographic Learning Staff
by Paul S. Boyer, Clifford E. Clark, Joseph F. Kett, Neal Salisbury, Harvard Sitkoff
by Ana C. Jarvis, Raquel Lebredo
by Sarah Young
by F. LaGard Smith
by Fernando Casal B�rtoa, Ingrid van Biezen
by Zondervan Staff
by Tyndale House Publishers Staff
by Joan L. Brown, Carmen Mart�n Gaite
by Chris Stacey
by John Eckhardt
by Jeff Bumgarner
by Charles M. Haar
by Lyman Coleman, Richard Peace, Brenda Quinn, Zondervan Staff