EPUBisanopen,industry-standardformatfore-books.However,supportforEPUBanditsmanyfeaturesvariesacrossreadingdevicesandapplications.Useyourdeviceorappsettingstocustomizethepresentationtoyourliking.Settingsthatyoucancustomizeoftenincludefont,fontsize,singleordoublecolumn,landscapeorport