50 years later, ‘The Monster at the End of This Book’ is still selling — and inspiring authors January 27, 2021 Books IFTTT +1 The children’s book has influence out of proportion with its 24 pages and its cardboard cover devoid of medallions. Washington Post Books IFTTT The children’s book has influence out of proportion with its 24 pages and its cardboard cover devoid of medallions. Washington Post