A personally-annotated copy of Advanced Potion-Making belonged to Severus Snape while he attended Hogwarts School of Witchcraft and Wizardry.[2] Snape's nickname for himself was the "Half-Blood Prince",[2] and so he signed this nickname along the bottom of the back cover of the book.[1] Advanced Potion-Making was a Potions textbook used by Hogwarts for N.E.W.T level Potions classes and authored by Libatius Borage. It contained a variety of recipes for various potions, many of which Snape…
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