Learning sheet music

[bugo]

Hey, I've had the 'U2 the complete songs' book for a while now but havent made use of it beyond the chord boxes it provides and I've decided in order to justify my purchase of this book im going tohave to learn guitar sheet music!

So, I was just wondering if any of you know of good websites or books that can help some tablature reading fool like myself learn sheet music from scratch?

Many Thanks!