The books in Morrowind and Oblivion do not treat history as a single agreed record. They present the same events through openly partisan voices so the reader sees how each side rewrites the past to protect its power.
The clearest case is the Battle of Red Mountain and the death of Nerevar. Nerevar at Red Mountain (Tribunal version) describes the event as a necessary betrayal that allowed the Tribunal to seize the Heart of Lorkhan for the good of Morrowind. The language frames Nerevar's death as tragic but inevitable, with Vivec and the others acting as reluctant guardians of the people. The Dissident Priests' own tract, Progress of Truth, rejects this framing outright. It accuses the Tribunal of murdering Nerevar to seize divine power and then using the Temple to suppress any surviving witnesses. Both texts claim to draw on living memory, yet they cannot be reconciled on the central question of motive.
Ashlander sources push the contradiction further. The oral account recorded in The Lost Prophecy and repeated by the Urshilaku elders states that Nerevar died at the hands of his own counselors after he refused to break his oath to Azura. No mention is made of any benevolent intent on the part of Vivec or the others. The difference is not one of detail but of moral purpose: the Tribunal version preserves the legitimacy of the living gods, while the Ashlander version preserves the authority of the old daedric pact.
Skyrim does not revisit Red Mountain directly, but it keeps the same technique alive. The Pocket Guide to the Empire, 3rd Edition, repeats the Tribunal's account of the battle without qualification when summarizing Morrowind's recent past. At the same time, the book The Talos Mistake, found in several locations, undercuts the official Imperial narrative of Tiber Septim's divinity in nearly identical language to the Dissident Priests' attack on the Tribunal. The pattern is consistent: each faction's approved text is allowed to stand beside its rival so the player can watch the propaganda contest in real time.
This is not an accident of incomplete lore. The writers placed multiple incompatible eyewitness statements in the same games precisely to model how history functions inside the world. When a source claims to speak from direct observation, the surrounding books already contain the counter-claim from another observer who saw the same day differently.
Which single Red Mountain account do you treat as the baseline when the others are still present in the same library? Do the contradictions change how you read later statements from Vivec himself in Morrowind?