What happens after Snape's Worst Memory? A very brief snapshot of the next day. Cannon.
The summer after the Battle of Hogwarts Harry and Teddy come to stay at the Burrow, leaving Ginny to care for Teddy while Harry is training to become an auror. Ginny struggles with the challenges of caring for an infant, as well as with her future with Harry and her decision about whether to continue at Hogwarts. Canon.
Percy Weasley travels to America to research their educational methods. What he finds is shocking and disheartening. A satirical look at American education through the comparison with the exceptional standards set by Hogwarts in the Harry Potter series. Cannon.