A book is good. This is not the main problem. The key is that you are a woman, so you don't have to consider the forensic doctor or the criminal police. When you graduate from college and watch the boys work one by one, the girls will know how boring it is to be stuck. Even if you go to the public security bureau or something, girls are not good-looking. Learn something else. There is no gender discrimination. Some jobs are really suitable for men.