Petunia Takes Charge (Harry Potter) by Leath1
AU story. Harry thought he knew everything about his Aunt Petunia but he was wrong. Harry comes home after his first year at Hogwarts to find that things have changed at the Dursley's or more importantly his Aunt Petunia has changed. What does that mean for Harry?
Pot Luck (Harry Potter) by Sita Z
Raised to despise magic, eleven-year-old Harry Potter isn't sure being a wizard is a good thing... although a certain snarky Potions Master might just change his mind.
(1) The Definition of Home (Harry Potter) by Oliver Snape
Harry runs into Snape while trying to find the definition of home, and finds himself drawn into Snape's summer Order task by the headmaster, looking for a location outside of London. Along the way, he and Snape learn a few new definitions themselves.