I've just picked up out copy of the issue, so here's a little summary of what you'll find in the UK Transformers Issue 12.
Cover item - Transformers Pinball
Story 1: - Transformers : Twilight's Last Gleaming - Part 4
Written by Simon Furman
Art by Paul Ridgon
Inks by Andy Lanning
Colours by Jason Cardy
Letters by Jimmy Bentancourt / Comicraft
Summary: Nicely drawn, very nicely coloured and Optimus Prime final awakes.
Story 2: Transformers Movie Prequal - Part 12
Written by Simon Furman and Chris Ryall
Art by Don Figueroa
Colours by Josh Burcham
Colour Assistant: Mark Baistow
Letters by Robbie Robbins
Editor: Dan Taylor
Summary: The story still ticks through and still hasn't ended yet
Competition 1: Non Transformers related Nerf prizes
Poster: Double sided again this month. Cover art on one side, Transformers Animated Megatron / Starcream on the other.
Transformers Animated feature: Brief information on Megatron and Starscream, with an advert for Nicktoons and Transformers Animated.com - listed at the official Transformers Animated website)
Story 3: Transformers Beast Wars - The Gathering- Part 12
Written by Simon Furman
Art by Don Figueroa
Colours by Josh Burcham
Letters by Tim B Long
Editors: Chris Ryall and Dan Taylor
Summary: Includes an awesome two page double spread battle seen, which looks like it's been exploded from a smaller print (which of cause it was) but looks great and very colourful.
How to Draw: Features Blackout for 4 pages
Competition 2: Prizes include Transformers Risk, Transformers Movie / Classics toys and Transformers Titaniums.
Artobots: I still love the name of this section, simple but cool. 2 pages of artwork
Star Screams:6 letters, lots of pictures of kids and their collections as well as naming winners of all the competitions from issue 2 to issue 8. Website of the month is Polykarbon.com (Seibertron is still the only Transformers news site to be featured).
Issue 13 is out on June 19th, features a free Transformers disc blaster (try to contain your excitement folks)and is a Giant Bumper Sized Issue with Free Transformers Animated pull out section.