diff --git a/README.md b/README.md
index fc0612b..295c6da 100644
--- a/README.md
+++ b/README.md
@@ -8,7 +8,7 @@ The Data Ethics and Society Reading Group is a space for public sector colleague
 
 We meet (virtually) four times a year.
 
-> Our next session will be end of November/start of December 2023. Join our [mailing list](https://xgovdataethics.substack.com/) to get updates.
+> Our next session will be on Thursday 14th December 12:00-13:00- sign up [via TicketTailor](https://www.tickettailor.com/events/dataethics/1024931).
 
 While you're here, you may also want to:
 
diff --git a/SESSIONS.md b/SESSIONS.md
index e660966..482a4a3 100644
--- a/SESSIONS.md
+++ b/SESSIONS.md
@@ -8,8 +8,7 @@ An sign-up link will be sent out via Slack, as well as our [mailing list](https:
 
 | Upcoming Sessions                                        | Discussion Material                   |
 |----------------------------------------------------------|---------------------------------------|
-| December 2023 | Material TBD|
-
+| [14.12.23, 12:00](./Sessions/2023/12-23-session.md) | [Escape from Model Land: How Mathematical Models Can Lead Us Astray and What We Can Do about It](https://www.ericathompson.co.uk/books/) |
 --------------
 
 You can see a record of what we have discussed here:
diff --git a/Sessions/2023/09-23-session.md b/Sessions/2023/09-23-session.md
index 4d84ab8..063567b 100644
--- a/Sessions/2023/09-23-session.md
+++ b/Sessions/2023/09-23-session.md
@@ -1,8 +1,8 @@
-# Data Ethics & Society Reading Group DD-MM-YY, [MEETING-TIME GMT](LINK-TO-TIMEDATE)
+# Data Ethics & Society Reading Group 19-09-23, [12:00 BST](https://www.timeanddate.com/worldclock/fixedtime.html?msg=Good+Data-+Data+Ethics+and+Society+Reading+Group&iso=20230919T12&p1=136&ah=1)
 
 ## Description
 
-You're welcome to join us for our next Data Ethics & Society Reading Group on Tuesday the 19th September at [12:00-13:00](https://www.timeanddate.com/worldclock/fixedtime.html?msg=Good+Data-+Data+Ethics+and+Society+Reading+Group&iso=20230919T12&p1=136&ah=1). This time we're going to watch/read [Good Data: An Optimist's Guide to Our Digital Future](https://gooddataguide.com/) by Sam Gilbert, which sheds light on topics such as privacy, consent and algorithmic bias, while offering practical strategies for mitigating the negative impacts and maximizing the positive potential of data-driven technologies.
+You're welcome to join us for our next Data Ethics & Society Reading Group on Tuesday the 19th September at [12:00-13:00](https://www.timeanddate.com/worldclock/fixedtime.html?msg=Good+Data-+Data+Ethics+and+Society+Reading+Group&iso=20230919T12&p1=136&ah=1). This time we're going to read [Good Data: An Optimist's Guide to Our Digital Future](https://gooddataguide.com/) by Sam Gilbert, which sheds light on topics such as privacy, consent and algorithmic bias, while offering practical strategies for mitigating the negative impacts and maximizing the positive potential of data-driven technologies.
 
 Thank you to everyone who attended our [last session](./05-23-session.md), where we voted for this content.
 
diff --git a/Sessions/2023/12-23-session.md b/Sessions/2023/12-23-session.md
new file mode 100644
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--- /dev/null
+++ b/Sessions/2023/12-23-session.md
@@ -0,0 +1,32 @@
+# Data Ethics & Society Reading Group 14-12-23, [12:00-13:00 GMT](https://www.timeanddate.com/worldclock/fixedtime.html?msg=Escape+from+Model+Land-+Data+Ethics+and+Society+Reading+Group&iso=20231214T12&p1=303&ah=1)
+
+> 📝 :arrow_right: [**Sign up here!**](https://www.tickettailor.com/events/dataethics/1024931)
+
+## Description
+
+You're welcome to join us for our next Data Ethics & Society Reading Group on Thursday 14th December at [12:00 GMT](https://www.timeanddate.com/worldclock/fixedtime.html?msg=Escape+from+Model+Land-+Data+Ethics+and+Society+Reading+Group&iso=20231214T12&p1=303&ah=1). 
+
+This time we're going to read [Escape from Model Land: How Mathematical Models Can Lead Us Astray and What We Can Do about It](https://www.ericathompson.co.uk/books/) by Dr Erica Thompson, who, drawing on contemporary examples from finance, climate and health policy, explores what models are, why we need them, how they work and what happens when they go wrong.
+
+Thank you to everyone who attended our [last session](./09-23-session.md), where we voted for this content.
+
+## Discussion points
+
+There will be time to talk about whatever we like, relating to the book, but here are some specific questions to think about while you're reading.
+
+- TBC
+
+---
+
+<!--
+
+## Meeting notes
+
+### Who came
+Number of people:
+
+### What did we think?
+Notes here!
+Shall we email the author? If so, who'll send the email?
+
+-->
diff --git a/Sessions/session-template.md b/Sessions/session-template.md
index 16ad111..8a61f26 100644
--- a/Sessions/session-template.md
+++ b/Sessions/session-template.md
@@ -19,7 +19,7 @@ Usual time 12:00-13:00
 
 ## Description
 
-You're welcome to join us for our next Data Ethics & Society Reading Group on DAY the DATE at [TIME GMT](LINK-TO-TIMEDATE). This time we're going to watch/read [NAME OF CONTENT](LINK-TO-CONTENT) by AUTHOR(S), which VERY-SHORT-DESCRIPTION.
+You're welcome to join us for our next Data Ethics & Society Reading Group on DAY the DATE at [TIME GMT](LINK-TO-TIMEDATE). This time we're going to WATCH/READ [NAME OF CONTENT](LINK-TO-CONTENT) by AUTHOR(S), which VERY-SHORT-DESCRIPTION.
 
 Thank you to everyone who attended our [last session](LINK-TO-PREVIOUS-SESSION), where we voted for this content.