Pimsleur Approach deceptive sales policy Internet

I responded to an internet solicitation for Spanish language instructional CD's for $9.95.  I received the CD's.

I subsequently received 2 packages of additional CD's that I did not order.  Since I didn't order these CD's I forgot about them.
I received a collection letter demanding payment of $448.  I contacted the company to tell them I would return the CD's.  The company refused to issue a Return Authorization Number.  They directed me to vague wording informing me of their return policy.
This company relies on an inviting come on, and vague and unreasonable return policy to sell their merchandise.

Do not fall for this fraud.