/store/book/author $.store.book[*].author the authors of all books in the store //author $..author all authors /store/* $.store.* all things in store, which are some books and a red bicycle. /store//price $.store..price the price of everything in the store. //book[3] $..book[2] the third book //book[last()] $..book[(@.length-1)] $..book[-1:] the last book in order. //book[position()<3] $..book[0,1] $..book[:2] the first two books //book[isbn] $..book[?(@.isbn)] filter all books with isbn number //book[price<10] $..book[?(@.price<10)] filter all books cheapier than 10 //* $..* all Elements in XML document. All members of JSON structure.