diff --git a/BigBookOfDisinformationResponse/README.md b/BigBookOfDisinformationResponse/README.md
index 7b07809..9800981 100644
--- a/BigBookOfDisinformationResponse/README.md
+++ b/BigBookOfDisinformationResponse/README.md
@@ -8,31 +8,31 @@ This book is intended for use by groups setting up their own disinformation moni
 ## Book Structure
 
 * Introduction
-   * [Chapter 0 About this book]("C00_about_this_book.pdf")
+   * [Chapter 0 About this book](C00_about_this_book.pdf)
 * What are you trying to do? 
-   * [Chapter 1 Disinformation]("C01_disinformation.pdf")
-   * [Chapter 2 Disinformation Models]("C02_disinformation_models.pdf")
-   * [Chapter 3 Influence techniques]("C03_influence_techniques.pdf")
+   * [Chapter 1 Disinformation](C01_disinformation.pdf)
+   * [Chapter 2 Disinformation Models](C02_disinformation_models.pdf)
+   * [Chapter 3 Influence techniques](C03_influence_techniques.pdf)
 * Getting organised
-   * [Chapter 4 Looking after yourself]("C04_looking_after_yourself.pdf")
-   * [Chapter 5 The Disinformation Response Team]("C05_the_disinformation_soc.pdf")
-   * [Chapter 6 Disinformation Response Networks]("C06_the_disinformation_response_network.pdf")
+   * [Chapter 4 Looking after yourself](C04_looking_after_yourself.pdf)
+   * [Chapter 5 The Disinformation Response Team](C05_the_disinformation_soc.pdf)
+   * [Chapter 6 Disinformation Response Networks](C06_the_disinformation_response_network.pdf)
 * Building evidence
-   * [Chapter 7 Monitoring]("C07_monitoring.pdf")
-   * [Chapter 8 Incident Response]("C08_incident_response.pdf")
-   * [Chapter 9 Detective work: Asking the Right Questions]("C09_detective_work.pdf")
-   * [Chapter 10 OSINT: Investigating Artifacts]("C10_osint.pdf")
-   * [Chapter 11 Data Science: Investigating Big Data]("C11_data_science.pdf")
-   * [Chapter 12 Machine Learning: Pattern Hunting]("C12_machine_learning.pdf")
+   * [Chapter 7 Monitoring](C07_monitoring.pdf)
+   * [Chapter 8 Incident Response](C08_incident_response.pdf)
+   * [Chapter 9 Detective work: Asking the Right Questions](C09_detective_work.pdf)
+   * [Chapter 10 OSINT: Investigating Artifacts](C10_osint.pdf)
+   * [Chapter 11 Data Science: Investigating Big Data](C11_data_science.pdf)
+   * [Chapter 12 Machine Learning: Pattern Hunting](C12_machine_learning.pdf)
 * Taking Action
-   * [Chapter 13 Creating a Situation Picture]("C13_situation_pictures.pdf")
-   * [Chapter 14 Sharing Information]("C14_sharing_information.pdf")
-   * [Chapter 15 Countermeasures]("C15_taking_action.pdf")
+   * [Chapter 13 Creating a Situation Picture](C13_situation_pictures.pdf)
+   * [Chapter 14 Sharing Information](C14_sharing_information.pdf)
+   * [Chapter 15 Countermeasures](C15_taking_action.pdf)
 * Useful References
-   * [Chapter 16 Tools]("C16_tools.pdf")
-   * [Chapter 17 General References]("C17_references.pdf")
-   * [Annex A: Covid-related disinformation]("CAA_covid.pdf")
-   * [Annex B: Election-related disinformation]("CAB_elections.pdf")
+   * [Chapter 16 Tools](C16_tools.pdf)
+   * [Chapter 17 General References](C17_references.pdf)
+   * [Annex A: Covid-related disinformation](CAA_covid.pdf)
+   * [Annex B: Election-related disinformation](CAB_elections.pdf)
 
 For latest edits, see the [working copy of the book](https://drive.google.com/drive/u/0/folders/164PoJDySDez6sr2yvcP6fPodpHifDIi7).  Related references from the CogSecCollab team include the AMITT design guide.