Exhibit 23.1 CONSENT OF INDEPENDENT CERTIFIED PUBLIC ACCOUNTANTS barnesandnoble.com inc. New York, New York We hereby consent to the incorporation by reference of our report dated January 29, 2004 (except for Note 1 thereto the date of which is March 31, 2004) relating to the consolidated financial statements of barnesandnoble.com inc. (the "Company"), incorporated by reference into the prospectuses constituting a part of the Company's registration statement No. 333-79261 on Form S-8. BDO Seidman, LLP /s/ BDO Seidman, LLP New York, New York April 30, 2004