Desmond Mpilo Tutu, Archbishop Emeritus of Southern Africa, was a prominent leader in the crusade for justice and reconciliation in South Africa. He was awarded the Nobel Peace Prize in 1984 and the Presidential Medal of Freedom in 2009. Archbishop Tutu was regarded as a leading moral voice and an icon of hope.

Rafael López is the illustrator of two #1 New York Times bestsellers, The Day You Begin and Just Ask! His illustrations bring diverse characters to children's books to reflect and honor the lives of all young people. He has won three Pura Belpré Awards, the Jane Addams Children's Book Award, and the Schneider Family Book Award. He works with children and families to create community murals. Rafael splits his time between San Diego and San Miguel de Allende, Mexico.

"With unalloyed optimism, the pages earnestly lean into the creators' comforting promise: 'As it spreads from person to person, the world will fill with JOY.'" - Publishers Weekly

"The pages glow...For children who find themselves in a puzzling and difficult world, this work can offer hope and guidance." - School Library Journal