hi , i am from Sudan , i studied medicine , but i like to study maths , physics also , don’t think i am crazy , coz i am doing well now in self studying philosophy , i know somebody who is traveling from USA to Sudan soon and i like to get some books from there , so if anybody with mathematical background to help me with names of books that are best 4 self-study , i like books that start from zero but then increase their complexity like the logarithmic equation , and also to be comprehensive and full of variable examples , i know the difficulty of getting visa to America or Europe so i decide to study first then the certificates later , … please don’t answer if u have no enough experience …