How does search work without a database? I notice the URL has parameters called `query` and `sort`: ``` https://standardebooks.org/ebooks?query=doyle&sort=new

How does search work without a database? I notice the URL has parameters called `query` and `sort`: ``` https://standardebooks.org/ebooks?query=doyle&sort=newest&view=grid&per-page=12 https://standardebooks.org/ebooks?query=doyle&sort=newest&vi... ```