Original sentence: An extensive, fully documented research into the Watchtower organisation from someone with high-level comprehensive first hand experience.He looks in detail at the history of the organisation, its history of prophecies which he claims are unfulfilled, how its doctrines and practices have arisen, and how they have changed and/or allegedly reversed over time.This book contains highly controversial information with scans of original documents as evidence of his claims
Edited sentence: An extensive fully documented research into the Watchtower organisation from someone with high-level comprehensive first hand experience.He looks in detail at the history of the organisation, its history of unfulfilled prophecies, how its doctrines and practices have arisen, and how they have changed/reversed over time, uproots highly controversial information with full scanned proofs, and their often negative effects on the lives of Jehovah's Witnesses