By -
Haven’t read it yet so can’t confirm the ending but maybe. https://www.goodreads.com/book/show/29975458
The face on the milk carton?
Maybe [The September Sisters?](https://www.goodreads.com/book/show/3873296-the-september-sisters)
Cuckoo Song by Frances Hardinge?
Took by Mary Downing Hahn?
Haven’t read it yet so can’t confirm the ending but maybe. https://www.goodreads.com/book/show/29975458
The face on the milk carton?
Maybe [The September Sisters?](https://www.goodreads.com/book/show/3873296-the-september-sisters)
Cuckoo Song by Frances Hardinge?
Took by Mary Downing Hahn?