- "Differential and Integral Calculus", Piskunov. - "A Course of Higher Mathematics", Smirnov. This one could be a bit expensive, but if you find yourself in a

- "Differential and Integral Calculus", Piskunov. - "A Course of Higher Mathematics", Smirnov. This one could be a bit expensive, but if you find yourself in a country that has had good relations with the former Soviet Union, you might find it a a really affordable price because they had licenses to print these books, and generally speaking, the MIR Publishers, Moscow, books. - "Problems in Mathematical Analysis", Demidovich. - "Course of Theoretical Physics", Landau. - "Problems in General Physics", Irodov. You'll note that there are "course" books and "problem" books in there. All the best,