The product is a textbook titled "Psychological Development Of Deaf Children" authored by Marc Marschark and published by Oxford University Press in 1993. Focusing on developmental psychology and specifically addressing children with special needs, this hardcover book provides insights into the unique psychological development of deaf children. With its first edition status and inclusion of ex-library copies, this textbook serves as a valuable resource for educators, researchers, and professionals interested in the specific needs and development of deaf children.