Bartlett said nothing as they began their descent, and in moments they were settling onto the rooftop landing pad.
"Syndrome"
Thomas Hoover
It was quite dark by the time Littlejohn's 'copter landed on the rooftop of his own dwelling; so dark, in fact, that for a moment he didn't see the strange vehicle already standing there.
"This Crowded Earth"
Robert Bloch
On one rooftop, Penny counted six persons.
"Hoofbeats on the Turnpike"
Mildred A. Wirt