public bool TakeBook(List <string> bookNames) { if (bookNames.Count > 0) { List <Book> newBooks = new List <Book> { }; foreach (string bookName in bookNames) { Book currentBook = myLibrary.GetBookByName(bookName); if (currentBook != null) { newBooks.Add(currentBook); } else { Console.WriteLine("Книга с названием \"" + bookName + "\" не найдена."); } } if (newBooks.Count > 0) { TakeBook(newBooks); return(true); } } return(false); }