Everything you need to understand or teach World After by Susan Ee.
World After is the second novel in the Angelfall Series by Susan Ee. In this novel, Penryn miraculously has come back to life after the attack on the angel aerie, frightening the members of the Resistance with whom she is riding, including her mother. Separated from Raffe, Penryn finds herself not only caring for her mentally ill mother, but also wondering how to deal with the alterations the angels have made...