My own DD is a bit younger, but is old for her years & a very avid & advanced reader, so I've had to be really careful with finding stuff that grabs her interest & is not too old IYSWIM.
( sorry headache so can't trembler all the authors & neither can she)
The books she has read recently & loved the most...
Maximum Ride series - James Patterson - 8 books all of which she loved.
Wonder,
Shiver - Maggie Stiefvater
The Deepest Cut series - 6 books -
Angel Dust.
Blitz - Vince Cross
What's Up With Jody Barton - Hailey Long
Dark Matter - Michelle Paver
Little Darlings - Jacqueline Wilson
Riley Bloom Series - 3 books
Rock Stars Daughter -Caitlin Duffy
Saving Wishes - GJ Walker - Smith
Whisper Series - Tara Westn- 3 books
Unenchanted -Chanda Hahn
Gone - Michael Grant
Also check out these websites - we love the first one as it as it reviews books per age & if you click on each title you will see it reviewed for content as you would with films - makes our lives much easier :)
HERE
HERE TOO
HTH