Here's some from the book alike button for Charles Dickens Christmas Carol
(reading level grade 8.6) (interest level grades 6-8),
The Fellowship of the Ring
Memoirs of a Geisha
Around the World in Eighty Days
The wind in the willows (gr8, interest level, gr 3)
The Prince and the Pauper (Mark Twain)(gr 8, interest 6)
Gullivers Travels
The Incredible Journey
Huckleberry Finn (Mark Twain)
A Midsummer Nights Dream (Shakespeare)
The Last of The Mohicans
The Hunchback of Notre Dame
The Pilgram's Progess
Out of the Silent Planet (CS Lewis)
All of these say a 8th-9th grade reading level, and several of them say a younger grade interest level. That's why I say go enter a title she likes and browse through the suggestions.
