Sirius Black quickly left the restaurant and turned down the side of it with long strides.
Someone was already waiting there—Fred, George, and Ron were leaning against the wall, each of them holding their breath in rapt attention.
Harry stood at the very back, not taking up the same battle-ready stance as the others.
When they saw Sirius Black appear, Fred, George, and Ron all opened their mouths, as if about to ask something.
Before they could get a word out, Sirius Black raised a hand and made a shushing gesture, forcing what they had been about to say back down into their stomachs.
Fred seemed to understand something. He carefully took a step forward, quickly crouched down, and stuck his head out to look around the corner.
A moment later, he drew back and stood up, then nodded to the group behind him. "Vizet and Luna went ahead! They probably can't hear us talking now! We can follow!"
The group was just about to start creeping after them when Ron realized something was wrong. "Wait! Are we really going to..."
"Like this..." He hunched his shoulders and stamped his feet. "Go after Vizet and Luna? Won't the Muggles here get suspicious?"
"And Vizet's magic is really advanced!" Harry also spoke his mind. "Professor Moody used to praise him all the time. Maybe we should just forget it?"
"Not bad! Harry, you're very alert!" Sirius Black praised him, and an idea surfaced in his mind as a sly smile appeared on his face.
"We'll buy a telescope first, then cast a Muggle-Repelling Charm. That way Vizet won't notice us, and the Muggles won't easily pay attention to us either!"
Fred immediately understood what Sirius Black was planning. "Using telescopes is brilliant. As long as we don't follow too closely, we