9th grade SHSAT help?

i need to know what books to get for the 9th grade SHSAT in order to get into 10th grade. how do i prepare? what can help me get ready for the hard math and reading comprehension in it? if u took the test and got admission into something like bronx science or stuyvesant can you add some important info about the test? how many students taking this usually get admitted into those schools?