Complex sentence: Pinchbeck concludes with an alleged direct reception of prophetic material by the Mesoamerican deity Quetzalcoatl, a claim which was enough to get the book dropped by its planned publisher, delaying its release for the greater part of a year.
Split into simpler sentences: Pinchbeck concludes with an account of receiving a transmission of prophetic material by the Mesoamerican deity Quetzalcoatl,. This claim was enough to get the book dropped by its planned publisher, delaying its release for the greater part of a year.