// Part 1

public class Book {
    private String title;
    private int id;
    private static int nextId = 1;
    public static int bookCount = 0;

    public Book(String title) {
        this.title = title;
        this.id = nextId;
        nextId++;
        bookCount++;
    }

    // Getter and setter for title and id
    public String getTitle() {
        return title;
    }

    public void setTitle(String title) {
        this.title = title;
    }

    public int getId() {
        return id;
    }

    public void setId(int id) {
        this.id = id;
    }

    // Other fields, constructors, and methods for the Book class
}

public class Novel extends Book {
    // fields, constructors, and methods for the Novel class
    public Novel(String title) {
        super(title);
    }
}

public class Textbook extends Book {
    // fields, constructors, and methods for the Textbook class
    public Textbook(String title) {
        super(title);
    }
}

public class BookTester {
    public static void main(String[] args) {
        // Test the Book class
        Book book1 = new Book("The Great Gatsby");
        Book book2 = new Book("To Kill a Mockingbird");

        // Test the getTitle method
        String title1 = book1.getTitle();
        String title2 = book2.getTitle();
        System.out.println("Title 1: " + title1);
        System.out.println("Title 2: " + title2);

        // Test the bookCount field
        System.out.println("Book count: " + Book.bookCount);
    }
}

// Part 2