suggest books

hi everyone!
i dont know if this is the right section to post this, but i need help all the same, so if any one can help, he would do me such a great fav..so plz..
any one can Suggest some books about shelley's political poems, specially the ones about his sonnets, Song-To the Men of England, England in 1819. that would be great. maybe a companion to these poems, or a guide book too, i triedCambridge companion but i didnt find what i need.
so please....

Hello sara :)

Shelley's wife Mary wrote extensive notes on background/context/explanation/insight into her husbands poetry when she had the collection published after his untimely death. Maybe it will be of some help to you:

http://www.online-literature.com/she...-of-shelley/0/
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thanks for thehelp, but i need books or guide books to help me..
any one!! plz