How to remove the peculiar smell from cowhide books
That's the peculiar smell of leather. It will disappear after a period of use. You can't put it in the bag. You should put it outdoors or in the sun for a while. It is estimated that the leather you bought is made of scraps. The scraps of leather will have that smell if they are piled up for a long time, but the oil in leather is moldy and can only be removed by drying.