I've looked for help elsewhere and couldn't find the answer so maybe someone here can help.

I've posted some audio CDs. I know to request them, it requires two credits. Does that mean that when someone requests them from me, I get the two credits?

Just curious! Thanks,

Yes, audio books are cost 2 credits to the requestor, and the sender receives 2 credits.

Here's the help docs:

audio books: Yes

• Audio books must be originals.  They do not have to have their original box, but they must be packaged safely in transit and they must be playable.  Audio books are worth 2 credits.
• Audio books = books that were also published in bound form, that are read aloud by a narrator.  Audio recordings that accompany a bound book as supplementary materials do not qualify as audiobooks.  Performance recordings (ie, comedy routines) do not qualify as audiobooks (performance recordings on CD can usually be Posted at SwapaCD.com)