Moment From Harry Potter and the Half-Blood Prince

Hermoine failing to make the perfect potion
Hermoine and everyone else except Harry are failing at making the perfect potion. Hermoine is practically freaking out and going sad and crazy due to not having any idea.
As Harry begins his sixth year at Hogwarts, he discovers an old book marked as 'Property of the Half-Blood Prince', and begins to learn more about Lord Voldemort's dark past.
Tags: witch, magic, school of witchcraft, apparition, teenage crush, school, werewolf, wizard, based on young adult novel