MATH 19/20/21/41/42 TEXTBOOK STEWART CALCULUS @stanford.eduReply to: Use the form at the right to send messages to this user.Date: Mon, Sep 26, 2016, 02:40 PMHave two copies for sale - One brand new and the other used but excellent condition $150 for the new book. $100 for the used.please do not message this poster about other commercial services