Unknown Crusader's Diary

"Unknown Crusader's Diary" is an in-game book which appears in the Scarlet Enclave during the death knight starting quest chain. It appears after the creation of the Scarlet Onslaught and is visible in the phase after completing The Scarlet Apocalypse.

The last page, the map, is a joke on how players used to do this (or still do) in order to reach Quel'Thalas, but end up swimming right through it and ending up at Tirifal Glades.