Desmond Tutu. The first black Archbishop of Cape Town, Tutu has won the Nobel Peace Prize for his leadership of the South African Truth and Reconciliation Commission and today is Chair of a group of former world leaders, The Elders, which aims to tackle some of the world's most intractable problems.

He has helped calm the political crisis in Kenya and regularly speaks out against Mugabe, Israel, the Iraq War and the Burmese junta, but is also noted for his irrepressible sense of humour and deep spirituality. He lives in South Africa but travels widely.

Douglas Carlton Abrams is the coauthor with Archbishop Desmond Tutu of God Has a Dream: A Vision of Hope for Our Time. He is also the cofounder of Idea Architects, a book and media development agency working with visionary authors to create a wiser, healthier, and more just world. He lives with his family in California.

LeUyen Pham has illustrated more than one hundred books for children, including the Caldecott Honor book Bear Came Along by Richard T. Morris and the bestselling Princess in Black series by Shannon and Dean Hale.

She is the co-creator, along with Shannon Hale, of the bestselling graphic memoirs Real Friends, Best Friends, and Friends Forever. Her own books include The Bear Who Wasn't There and Big Sister, Little Sister. A graduate of the ArtCenter College of Design in Pasadena, LeUyen lives in Los Angeles with her husband and two sons.