Osayimwense Osa is the author of African Children's and Youth Literature (1995) in the Twayne's World Authors Series, Foundation- Essays in Children's Literature and Youth Literature (1987), Nigerian Youth Literature (1987), and editor of The All White World of Children's Books and African American Children's Literature (1995), and Youth Literature International - A Selection of Readings (1988). He has taught in various universities on both sides of the Atlantic. He is currently a Professor of English at Virginia State University.
He was a British Council sponsored scholar for Practical Explorations in English Language Teaching Methodology at the University of Stirling in Scotland in 1986, and a Fellow at the International Youth Library in Munich, Germany, in 1989, and a Fellow at the International Institute for Children's Literature, Osaka, Japan, in 1994. In September 2004, he was a part of the US delegate to the 29th Biennial Congress of the International Board on Books for young People (IBBY) in Cape Town, South Africa.
He is the Founding Editor of Journal of African Children's & Youth Literature (JACYL),
