We’re sorry you have cancelled your purchase of If The Walls of My Exam Room Could Talk: “STORIES OF TRIUMPH over a common but often unrecognized visual ailment Vertical Heterophoria” by Debby Feinberg O.D. with Mark Rosner M.D. & Sherry Brantley. If you have any feedback for us, please let us know so we can address your concerns. Please feel free to contact us with any questions. Thank you for your consideration.