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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
2849 members — last activity Sep 23, 2025 03:58PM
Mark's comments (131)
26989
Goodreads Authors/Readers
55237 members — last activity 7 hours, 36 min ago
Mark's comments (11)
220
Goodreads Librarians Group
297937 members — last activity 10 minutes ago
Mark's comments (10)
3355
Doctor Who: The Library of Carsus
1154 members — last activity Oct 25, 2025 08:42PM
Mark's comments (6)
129769
Doctor Who Book Club - Traveling the Vortex
150 members — last activity Oct 01, 2025 04:47AM
Mark's comments (5)
currently reading
Doctor Who by Simon A. Forward
116733
Indie Authors Club
655 members — last activity Mar 17, 2025 10:56PM
Mark's comments (4)
103713
Authors & Reviewers
10596 members — last activity 2 hours, 28 min ago
Mark's comments (2)
2072
Atheists and Skeptics
2216 members — last activity Aug 16, 2025 12:20PM
Mark's comments (1)
57055
The Humour Club
1642 members — last activity Oct 10, 2025 05:50AM
Mark's comments (1)
50920
Beta Reader Group
30032 members — last activity 1 hour, 7 min ago
Mark's comments (0)
109465
The Evolution of Science Fiction
1811 members — last activity 17 hours, 25 min ago
Mark's comments (0)
currently reading
The Clockwork Man by E.V. Odle Uncanny Magazine, Issue 25, November/December 2018 by Lynne M. Thomas
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
510 members — last activity Nov 14, 2024 01:05AM
Mark's comments (0)
26399
Book Giveaways
5477 members — last activity Oct 09, 2025 04:55PM
Mark's comments (0)
83561
Bargain Basement
8231 members — last activity Oct 24, 2025 01:33AM
Mark's comments (0)
154447
Support for Indie Authors
16578 members — last activity Oct 25, 2025 09:36PM
Mark's comments (0)
60696
Making Connections
14734 members — last activity Oct 25, 2025 10:04AM
Mark's comments (0)
48203
Doctor Who?
144 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
1655 members — last activity Jul 21, 2025 02:56AM
Mark's comments (0)

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Upcoming Bookclub Reads

A Canticle for Leibowitz
A Canticle for Leibowitz (St. Leibowitz, #1)
by
Nov 01 in The Evolution of Science Fiction    view »