A key to cooking that will unlock many kitchen mysteries : wrought out and made ready for public use This book, "A key to cooking that will unlock many kitchen mysteries. 1975", by Catherine Owen, is a replication of a book originally published before 1886. 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.