Hi David: My Amazon to MARC service may be the answer for you. Go to this page: http://amazon.libcat.org/cgi-bin/az2marc.pl and enter the ISBN into the box labeled ASIN. Not only will you get basic bibliographic data, but you can export it as a MARC record. Enjoy, --CL On 1/21/13 7:04 PM, David Fiander wrote: > I'm working on a project that involves collecting information about the > books that people own, and the easiest way to do most of that data > collection is to collect just the ISBNs for those books that have them, and > photograph the title pages of the books that don't. This gets me out of > people way quickly and lets me do my data processing later. > > I've asked OCLC about the requirements for getting an affiliate ID for > using their APIs for the project, but while I'm waiting for that, I'm > looking at the Open Library APIs. > > The documentation for the APIs is weak, and it looks like it hasn't been > updated for a while. Has anybody used them much, or know what the state of > ongoing development of them is? > > All I'm really looking for at this point is a way to convert an ISBN into > basic bibliographic data, and to find any related ISBNs, a la OCLC's xISBN > service. > > - David