Law books

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I'm looking for the following law books. Can't find a torrent on any sites. I'm fine with any addition. Thanks. 

Criminal Law, CMV Clarkson
http://www.amazon.com/Criminal-Law-C-M-Clarkson/dp/1847039189/ref=sr_1_1?ie=UTF8&qid=1349440255&sr=8-1&keywords=clarkson+criminal

Casebook on Contract Law, Jill Poole
http://www.amazon.com/Casebook-Contract-Law-Jill-Poole/dp/0199574782/ref=sr_1_1?s=books&ie=UTF8&qid=1349441655&sr=1-1&keywords=casebook+contract+law

Studies in Constitutional Law, Colin R Munro
http://www.amazon.com/Studies-Constitutional-Law-Colin-Munro/dp/0406981434/ref=sr_1_1?s=books&ie=UTF8&qid=1349441707&sr=1-1&keywords=studies+in+constitutional+law+munro

Constitutional & Administrative Law, A Bradley
http://www.amazon.com/Constitutional-Administrative-Law-Bradley/dp/1405873507/ref=sr_1_2?s=books&ie=UTF8&qid=1349441771&sr=1-2&keywords=constitutional+%26+administrative+law+bradley

Constitutional and Administrative Law, Hilaire Barnett
http://www.amazon.com/Core-Textbook-Bundle-Constitutional-Administrative/dp/0415611083/ref=sr_1_sc_1?s=books&ie=UTF8&qid=1349441813&sr=1-1-spell&keywords=constitutional+%26+administrative+hilarie