On 15/07/10 06:50, mars zhang wrote:
> I try to make a little application to link to open libary, I have some 
> questions as below ,please help.
> 1. Can I get the editions data by use CURL ?

Yes. Say you want to get the data about this edition:

http://openlibrary.org/books/OL7018254M/Halley's_comet

JSON is here: http://openlibrary.org/books/OL7018254M.json
YAML is here: http://openlibrary.org/books/OL7018254M.yml

> 2. How to get a book's cover image ?

The 'covers' field in the JSON or YAML will give you a list of numbers, 
these are cover IDs, in this case it is 6073569. You can grab the cover 
by going to http://covers.openlibrary.org/b/id/6073569-L.jpg

> 3. How to get a book's download link URL?

The ocaid field, here it is halleyscometeven00turn, use for these links:

http://www.archive.org/details/halleyscometeven00turn - details page
http://www.archive.org/stream/halleyscometeven00turn - book reader

Downloads:
http://www.archive.org/download/halleyscometeven00turn/halleyscometeven00turn.pdf
http://www.archive.org/download/halleyscometeven00turn/halleyscometeven00turn_djvu.txt
http://www.archive.org/download/halleyscometeven00turn/halleyscometeven00turn.epub
http://www.archive.org/download/halleyscometeven00turn/halleyscometeven00turn.djvu
http://www.archive.org/download/halleyscometeven00turn/halleyscometeven00turn.mobi

-- 
Edward.
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