Bisharar Markus wani bangare ne na Sabon Alkawari kuma abin mamaki shine mafi tsufa kuma mafi gajarta a cikin dukkanin bishara, kuma tare da dukkan surori goma sha shida, zamu iya tantance cewa tabbas an rubuta shi kafin halakar haikalin Urushalima a kusan 70 AD. Shaidar Kiristoci na farko ba ta da shakka cewa Markus ne marubucin kuma shi ya sa littafin ya ɗauke sunansa.