Basics

 

Books: "The Wizard of Oz", "Alice in Wonder Land", "Wind in the Willows", and Mark Twain's work.  Get the annotated versions to aide understanding.

Cricket/Muse magazines from cricketmedia.com

Biographies of notable Americans, especially from the Revolutionary period.  Get her interested in history; she will have a stronger and sturdier mind.

Sure, it'd better to have started in 6th grade, but there is no short cut in language art. Set a time each day for reading and do it everyday.  You'd be amazed how much can get done.