Dark & Twisty

Mark Speed's Profile > Mark's Groups

Groups Mark is a member of Showing 1-20 of 20
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4805
Time Travel
2887 members — last activity Jul 25, 2026 09:58AM
Mark's comments (131)
26989
Goodreads Authors/Readers
57210 members — last activity 1 hour, 50 min ago
Mark's comments (11)
220
Goodreads Librarians Group
332618 members — last activity 1 minute ago
Mark's comments (10)
3355
Doctor Who: The Library of Carsus
1162 members — last activity 13 hours, 26 min ago
Mark's comments (6)
129769
Doctor Who Book Club - Traveling the Vortex
154 members — last activity Jul 01, 2026 01:05AM
Mark's comments (5)
currently reading
Doctor Who by Lance Parkin
116733
Indie Authors Club
611 members — last activity Mar 17, 2025 10:56PM
Mark's comments (4)
103713
Authors & Reviewers
11765 members — last activity 2 hours, 26 min ago
Mark's comments (2)
2072
Atheists and Skeptics
2215 members — last activity Jul 24, 2026 12:16PM
Mark's comments (1)
57055
The Humour Club
1650 members — last activity Jul 18, 2026 08:45PM
Mark's comments (1)
50920
Beta Reader Group
29821 members — last activity 14 hours, 3 min ago
Mark's comments (0)
109465
The Evolution of Science Fiction
1922 members — last activity 5 hours, 40 min ago
Mark's comments (0)
currently reading
Hyperion by Dan Simmons
59085
TARDIS (Time And Relative Dimensions In Space)
88 members — last activity Jun 08, 2016 06:28AM
Mark's comments (0)
156259
Sci-Fi Group Book Club
508 members — last activity Nov 14, 2024 01:05AM
Mark's comments (0)
26399
Book Giveaways
5533 members — last activity Jul 17, 2026 06:31AM
Mark's comments (0)
83561
Bargain Basement
8291 members — last activity 6 hours, 33 min ago
Mark's comments (0)
154447
Support for Indie Authors
16721 members — last activity 6 hours, 27 min ago
Mark's comments (0)
60696
Making Connections
14918 members — last activity Jul 23, 2026 07:19PM
Mark's comments (0)
48203
Doctor Who?
143 members — last activity May 03, 2020 10:32AM
Mark's comments (0)
164399
ALLI Sci-fi, Fantasy & Speculative Fiction Group
16 members — last activity Jul 30, 2015 12:56PM
Mark's comments (0)
3879
The Atheist Book Club
1666 members — last activity May 28, 2026 11:59AM
Mark's comments (0)

all groups



Upcoming Bookclub Reads

Blindsight
Blindsight (Firefall, #1)
by
Aug 01 in The Evolution of Science Fiction    view »
Our Lady of the Artilects
Our Lady of the Artilects
by
Sep 01 in The Evolution of Science Fiction    view »