Help me with the mistakes please?

One pound sterling is value at two dollars.Nobody can deny that London is an expensive city, but is a good idea to visit the wonderful stores.You can visit the fabulous Harvey Nichols at 109 knights bridge. Also another obligation for the tourist is to walk along the Old and New Bond Street,where you can find the best stores in the world. Stores like Tiffany & Co., Donna Karan, Ralph Lauren, H�rmes, and Burberry. Also if you would like to visit the coolest stores, like Convent Garden. In Oxford St. you can visit Marks & Spencer that have a fabulous underclothes and Topshop, a chic British clothing store. Lastly You can visit King�s Road that offer stores like Thomas Pink, Manolo Blahnik, Viviene westwood, and Lulu Guinness.