Time travelers tend, as a group, to have a lot of hobbies.
How We Got to Now: Six Innovations That Made the Modern WorldGreat Groups need to know that the person at the top will fight like a tiger for them.
Organizing Genius: The Secrets of Creative CollaborationI make music like I make love—in a group. OK, so I’m not in a band, and I sing alone in the shower.
This Book Has No TitleAnd although we adore men individually, we agree that as a group they're rather stupid.
Vocal Selections from Walt Disney's Mary Poppins