From the back of the book:
An indispensible playing aid, this campaign record is an essential tool for fourth edition DMs.
Gone are the days of paper scraps and loose-leaf notebooks! The DM Campaign Record is a carefully designed booklet with space to record all information about an ongoing campaign: NPC stats, XP tracking, session logs, character reference, world info, and more. Just as every player needs a character sheet, every DM needs a campaign record!
Compatible with the fourth edition of the world's most popular role playing game.