Name vs Ghost

Time had run out. In a perfect world, I would have simply dumped the dust onto the ghost. But it's not a perfect world: Ghosts don't have to play by the rules of reality, and until they acknowledge that you're there, it's tough, very, very tough, to affect them at all. Confrontation is the only way, and even then, knowing the shade's identity and speaking its name aloud is the only sure way to make it face you. And, better and better, most spirits can't hear just anyone - it takes magic to make a direct call to the hereafter.
I rose fully to my feet, bag gripped in my hand and shouted, forcing my will into my voice, "Agatha Hagglethorn!"
The spirit started, as though a distant voice had come to her, and turned toward me. Her eyes widened. The song abruptly fell silent.
"Who are you?" she said. "What are you doing in my nursery?"


Grave Peril Chapter 2, Page 13