$
Root object$.store.book[*]
All books$.store.book[0]
First book$.store.book[-1]
Last book$.store.book[0,1]
First two books$.store.book[?(@.price < 10)]
Books under $10$..price
All prices (recursive)$.store.*
All store items$.store.book.length
Number of booksNo bookmarks yet
No history yet