public static bool IsCheap(Book book)
{
return(book.Price < 200);
}
public static bool IsExpensive(Book book)
{
return(book.Price >= 200);
}
public static bool IsGenreRomance(Book book)
{
return(book.Genre == "Romance");
}
public static bool IsGenreFantasy(Book book)
{
return(book.Genre == "Fantasy");
}
public static bool IsGenreMystery(Book book)
{
return(book.Genre == "Mystery");
}
public static bool IsShortStory(Book book)
{
return(book.Pages < 100);
}
public static bool IsNovel(Book book)
{
return(book.Pages >= 100);
}
