Dawg is a special 18 page RPG bundled into the center of issue 150 of Knights of the Dinner Table Magazine. The PCs are dogs - not canine humanoids, not were-beasts. Just dawgs.
The rulebook is divided into these sections:
- Intro (terminology definitions)
- Designing Dawgs (character creation, skill lists)
- Runnin' With the Pack (gameplay, combat & training rules)
- Dawg Master Tips (background, adventure ideas)
- Character Sheet
The "First Edition" that this "Second Edition" is referring to is the fictional game written by B.A. Felton, a fictional character in KoDT. There never was a real First Edition, but this one is called the Second Edition.