Following the death of Sirius, Harry isn't sure what to make of the sudden appearance of a six-year-old boy. The pair form a bond, unaware they're half-brothers, and Harry decides to take the boy to Hogwarts and hide him there. To aide the boy's education, Harry anonymously exchanges letters with Snape.

A story of a how a young boy becomes a father-figure to another while their own father is oblivious of their biological existence. But can sixteen-year-old Harry give what he himself has not gained? Can he go an entire year without being discovered? Just how far will Severus go to find the writer of those letters...Or are some things best left unknown?

Takes Place: 6th summer, 6th Year, 7th summer, 8 - Pre Epilogue (adult Harry) - Snape flavour: Canon Snape
Tags: Alternate Universe, Child fic, Kidnapped, Runaway, Sibling Addition, Snape-meets-Dursleys
Categories: Parental Snape > Biological Father Snape, Teacher Snape > Trusted Mentor Snape

Hogwarts has enacted a house-exchange program in the interest of increasing inter-house unity and understanding. Students fourth year and up can visit other houses for two weeks if they sign up. Harry has a morbid curiosity about what it might have been like to be sorted into Slytherin.
In Response to the House Exchange Program prompt by JAWorley.

Takes Place: 6th Year - Snape flavour: Snape is Angry, Canon Snape, Snape Comforts, Snape is Mean, Snape is Stern
Tags: Hufflepuff!Harry, Injured!Harry, Ravenclaw!Harry, Resorting, Slytherin!Harry
Categories: Healer Snape, Teacher Snape > Professor Snape