The Seventh Raven

And these are the sonsOf good Jack and good JaneThe eldest is JackAnd the next one is JackAnd the third one's called JackAnd the fourth's known as JackAnd the fifth says he's JackAnd they call the sixth JackBut the seventh's not JackThe seventh is RobynAnd this is his storyWhen Robyn and his brothers are turned into ravens through the work of an unlucky curse, a sister is their only hope to become human again. Though she's never met her brothers, April will stop at nothing to restore their humanity. But what about Robyn, who always felt a greater affinity to the air than to the earth-bound lives of his family?