Comics Values Monthly 92 (1994)
Not only does this book feature a great Swamp Thing cover by John Mueller, it also contains a large pull-out poster of the same artwork (without text cluttering it up).
There is a great Vertigo article discussing plans for the future with their strong talent and titles. Millar, Morrison, Ennis, Pollack, Berger and a few others discuss the past and future of Swamp Thing, Doom Patrol, Sandman, and many other titles. Ennis gives a small mention of Preacher which had yet to be released at this point.
Ennis has a feature article in the book, focusing on his work with John Constantine/Hellblazer.
To top it off, the magazine houses an awesome Swampy ad featuring the work of Phil Hester. The layout was used as a promo poster around the same time