Complex sentence: The "Evening News" Christmas story reappeared as the first chapter of the book, and at the very beginning it explained that Pooh was in fact Christopher Robin's Edward Bear, who had simply been renamed by the boy.
Split into simpler sentences: The "Evening News" Christmas story reappeared as the first chapter of the book. At the beginning, it explained that Pooh was in fact Christopher Robin's Edward Bear, who had been renamed by the boy.