Come away, O human child!
To the waters and the wild
With a faery, hand in hand,
For the world's more full of weeping than you can understand.
This sounds all very Harry Potterish, but it's only fantasy in its premise. It's more literary fiction, as we watch Henry grow up in America during the 50s, 60s and 70s.
In Donohue's interesting interview with Bookbrowse, he noted that the changeling myth probably originated with parents of children with birth defects who were in denial that the child could really be their own.
Discussion questions for The Stolen Child can be found on the Random House website.
Keith Donohue's website has a synopsis and reviews of The Stolen Child.
Anne wrote a blog post recommending The Stolen Child a while back.