Mental growth curve of normal and superior children studied by means of consecutive intelligence examinations This book, "Mental growth curve of normal and superior children studied by means of consecutive intelligence examinations", by Bird T. Baldwin, is a replication of a book originally published before 1922. It has been restored by human beings, page by page, so that you may enjoy it in a form as close to the original as possible. This book was created using print-on-demand technology. Thank you for supporting classic literature.