A wisp of silver gas rapidly jetted from the tip of Albert's wand, forming a silver sphere of light in the empty air that cast a pale glow on the faces in the dim room.
With a squeak, the door opened. The red-haired girl pushed it open and walked in, her gaze falling on the floating orb of light as she said gently, "I found I couldn't enter the private library, so I guessed you were probably practicing magic. By the way, was that a Patronus just now?"
"Yeah." Albert dismissed the Patronus and closed his eyes; the lamps on the room's walls instantly flared to life.
Chapter 318