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The ISBN of Blackout - Buffy novel - is 1-4169-1917-1.
Blackout - 2012 I 1-1 is rated/received certificates of:
Netherlands:16
UK:15
It's Blackout, a Decepticon who was also the one that got killed in an airstrike at the end of the first movie.
MASK - 1985 Blackout 1-28 is rated/received certificates of:
Australia:G
1 hour, 45 minutes