GooReader is a desktop application that allows you to search, download and read books and magazines available on Google Books and works on Windows XP/Vista/7, without the need to have .Net Framework 3.5 SP1 installed.
"GooReader provides a nice interface for reading with natural mouse moves you can turn over pages, zoom in and out, jump to the needed TOC item. The search results are represented as 3D book models on a bookshelf. You can search online books by title, author or keyword that can be used in its description or content. If you want to read or save specific book, you can simply enter its Book_ID and open it in Gooreader. Gooreader allows to automatically save publicly available books and magazines to PDF files."
More Info: GooReader