Invalid input: books/author/1849. Please provide a comma-separated list of id values, or a single id value. An id value is a positive whole number.
"Why don't you let the word 'machine' conjure up images of patterns of dancing light rather than of giant steam shovels?"
Invalid input: books/author/1849. Please provide a comma-separated list of id values, or a single id value. An id value is a positive whole number.