Alien Vault is the movie companion to the masterpiece of Ridley Scott.
The 176-page book comes in a nice slipcase. The pages are filled with photos, artwork and some printed artefacts like Ridley Scott's annotated storyboards and other interesting stuff enclosed in vellum envelopes.
As for the content, much of the visual content were actually released in a much earlier book called The Book of Alien, just that the presentation is different. Some of the set photos are the same, as with Chris Foss' design for the Nostromo spaceship, Moebius design for the spacesuits, etc.
Alien Vault focuses on the movie production. The interviews and stories are interesting to read, especially when movies made nowadays are prone to using CGI for special effects. There are lots of insights to movie making and you can find out the little camera tricks they use. The content layout is organized, the artwork and set photos are great.
It makes more sense to get this if you've don't have the earlier book or the Alien DVDs with extras, or just new to Alien.
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