the cheapest books you can find are found @Downtown there is a book shop near Habiba sweets and another next to mostwanted media store. The books are 3-5 jd's
@Downtown there is a shop near the traffic light, beside most wanted store media, he can take the books you have and sell you any of his books for half the price.
you can visit the oldest town in Amman which is @Downtown and visit @Amman Citadel and eat the best falafel in @Hashem Restaurant and eat kunafeh @Habiba Sweets