David Biddle's Profile > David's Groups

Chaos Reading
2790 members — last activity Feb 26, 2026 01:06PM
David's comments (8)

Goodreads Authors/Readers
56868 members — last activity 2 hours, 29 min ago
David's comments (7)

Novel Publicity's Author Karma
333 members — last activity May 05, 2020 01:11AM
David's comments (0)

Black Oceanographers
237 members — last activity Dec 14, 2010 12:38PM
David's comments (0)

Beta Reader Group
29855 members — last activity 8 hours, 25 min ago
David's comments (0)