Eager loading with EF Core

BooksService.cs

public void GetBooksWithEagerLoading()
{
  var books = _booksContext.Books
    .Where(b => b.Publisher.StartsWith("Wrox"))
    .Include(b => b.Chapters)
    .Include(b => b.Author)
    .Include(b => b.Reviewer)
    .Include(b => b.Editor);

  foreach (var book in books)
  {
    Console.WriteLine(book.Title);
    foreach (var chapter in book.Chapters)
    {
      Console.WriteLine($"{chapter.Number}. {chapter.Title}");
    }
    Console.WriteLine($"author: {book.Author?.Name}");
    Console.WriteLine($"reviewer: {book.Reviewer?.Name}");
    Console.WriteLine($"editor: {book.Editor?.Name}");
  }
}