David Rubenstein's Profile > David's Groups

Science and Inquiry
4487 members — last activity 16 hours, 14 min ago
David's comments (1047) — moderator

Audiobooks
16343 members — last activity 9 hours, 34 min ago
David's comments (35)

Kobo Users
133 members — last activity Sep 12, 2025 03:24AM
David's comments (13)

Goodreads Librarians Group
313339 members — last activity 3 minutes ago
David's comments (11)

Audio-Bibliophiles
1121 members — last activity Dec 09, 2025 10:28AM
David's comments (8)

Moderator Support Group
2243 members — last activity 7 hours, 25 min ago
David's comments (7)

The Transition Movement
123 members — last activity Jun 18, 2020 12:52PM
David's comments (1)