The Three Little Wolves and the Big Bad Pig by Eugene Trivizas and Helen Oxenbury.

The pig is BIG and Bad, to make things worse, he has dynamite and pneumatic drills. The three little wolves are delicate and scared... how will they ever survive? This is suitable for lower key stage 2 in terms of its use of language and simple structure but will appeal to older children because it's really, really, really funny. Works especially well with Blog 3: Using traditional stories