Corey Farwell e3825ecd4c Rollup merge of #43240 - steveklabnik:update-books, r=QuietMisdreavus
Update the books.

`python x.py test src\doc` passes on my machine.
2017-07-14 20:57:19 -07:00
..
2017-07-14 13:33:19 -04:00
2017-07-11 12:09:25 -06:00