Sell used books to Amazon, Trade in used books for credit

Amazon Seller Support – QuestionsCategory: QuestionsSell used books to Amazon, Trade in used books for credit
Caleb Zhang asked 2 years ago

Hi 
I have some used books to sell on Amazon, or I can trade them in for Amazon credit. Could anyone tell me how to do it? I went to the following link, I could not find book category for trade in but only electronics. 
https://www.amazon.com/b/ref=ti_surl_tradein?ie=UTF8&node=9187220011
Thanks
Caleb