MEXICO CITY, June 26 (Reuters) - Online retailer Amazon.com Inc is expanding operations in Mexico and it will detail the scope of its new business on Tuesday, a marketing firm representing Amazon Mexico said on Friday.

Amazon Mexico, which currently only sells electronic books in Mexico, will hold a media conference in Mexico on Tuesday, a statement from JeffreyGroup said.

Representatives from Amazon in Seattle did not respond to a request for a comment.

(Reporting by Tomas Sarmiento. Additional reporting by Mari Saito in San Francisco; Editing by Lisa Shumaker)