Invalid input: img/book_scans/tom_clancy_op-center_front.png. Please provide a comma-separated list of id values, or a single id value. An id value is a positive whole number.
"Ooh, that thing has numbers on it."
Invalid input: img/book_scans/tom_clancy_op-center_front.png. Please provide a comma-separated list of id values, or a single id value. An id value is a positive whole number.