Religious books and some university ones, most for 10 riyals, while some have different prices

All books are 10 riyals Except Tafsir Ibn Kathir which is 50 riyals And Fath al-Qadeer which is 40 riyals And Taysir al-Wusul to Usul al-Fiqh which is 50 riyals And the new green Tafsir al-Saadi which is 30 riyals And the blue used one which is 15 riyals And Tahdhib Tafsir Ibn Kathir 30 riyals And Rawdat al-Nadhir 40 riyals Awwal al-Masalik 40 riyals