3 ms·
I still love the bit of book trivia that since 13 digit EAN's start with a country code, you can convert an ISBN-10 into an ISBN-13 by prepending it with the co
by philjohn 2y ago
I still love the bit of book trivia that since 13 digit EAN's start with a country code, you can convert an ISBN-10 into an ISBN-13 by prepending it with the code for "book land" - 978.
(I worked on Library Management Software for 6 years).
- bloak 2y agoYou also have to recompute the check digit, of course, for example: 0131103628 -> 9780131103627
- philjohn 2y agoAh yes, you're indeed correct - I forgot that :D I also used to know what most of the MARC 21 (library interchange format) codes stood for ... but that has now been purged from the memory banks ... except 245 $c - statement of responsibility https://www.loc.gov/marc/bibliographic/bd245.html https://www.loc.gov/marc/bibliographic/bd245.html