Struct example for query on books and readers in C

Query.c

#include <stdio.h>
#include <stdlib.h>

typedef struct Book {
    char *name;
    int total_reads;
} Book;

typedef struct Reader {
    char *username;
    Book *read_books;
    int read_books_size;
} Reader;

int count_reads(Reader **readers, int readers_size, char *book_name)
{
    printf("\nlooking for %s\n",book_name);
    int count=0;
    for(int i=0; i<readers_size; i++){
        for(int j=0; j< readers[i]->read_books_size; j++){
            Book *book = readers[i]->read_books;
            printf("%s: %s\n",readers[i]->username,book[j].name);
            if(book[j].name == book_name){
                count++;
            }
       }
    }

    return count;
}

int main()
{
  Book books[] = { {.name = "Science Fiction", .total_reads = 300},
                  {.name = "Mystery", .total_reads = 150},
                  {.name = "Fantasy", .total_reads = 200} };
  Reader reader1 = {.username = "Alice", .read_books = books, .read_books_size = 3};
  Reader reader2 = {.username = "Bob", .read_books = &books[1], .read_books_size = 1};
  Reader reader3 = {.username = "Eve", .read_books = &books[2], .read_books_size = 1};
  Reader *readers[] = {&reader1, &reader2, &reader3};
  printf("%d\n", count_reads(readers, 3, "Mystery")); 
  printf("%d\n", count_reads(readers, 3, "Science Fiction"));
  printf("%d\n", count_reads(readers, 3, "Fantasy")); 
  reader3.username="Emili";
  printf("%d\n", count_reads(readers, 3, "Horror")); 
  return 0;
}