Google Books Search's redesigned homepage invites you to discover books by clicking on a category or the cover of a popular book. "At Book Search, we have a lot of books, but we don't have shelves or sections, which can make casually browsing books in our index difficult," mentions the product's blog. The intimidating search box is placed at the top of the page, leaving space for some examples of books:
* interesting: practical books like "How to be an even better manager", Math books, medical books
* classics: Shakespeare, Walter Scott, Goethe, Francis Bacon, Alexander Pope - all of them are in the public domain and can be downloaded as PDF files
* highly cited in scholar papers: authoritative books like Hegel's "Science of logic", Thomas Hobbes' "Leviathan"
* random subject: books from a randomly-selected topic
Google also lists the main subjects for fiction and non-fiction books and some random subjects. It's interesting that Google Book Search defaults to the cover view when you explore the books from a subject and to the list view when you do a normal search.
For ambiguous queries like [logic], you'll be able to restrict the results to an appropriate subject. You can also use the subject: operator to make your search more precise (for example: war subject:"Science fiction"). Google doesn't offer the complete hierarchy of subjects, so a clever autocomplete would be helpful.
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