"This page helps you to convert a series of 10-digit ISBNs to 13-digit ISBNs and Bookland EAN-13 numbers."http://www.isbn-international.org/converter/converter.html
Dolenni Diddorol / Interesting Links These are just links (dolenni) to things that appear interesting (diddorol).
"This page helps you to convert a series of 10-digit ISBNs to 13-digit ISBNs and Bookland EAN-13 numbers."
"The International Standard Book Number, or ISBN, is a unique, numeric commercial book identifier based upon the 9-digit Standard Book Numbering (SBN) code created by Gordon Foster, now Emeritus Professor of Statistics at Trinity College, Dublin, for the booksellers and stationers W.H. Smith and others in 1966."