diff --git a/book/_toc.yml b/book/_toc.yml
index 38b218e..6710506 100644
--- a/book/_toc.yml
+++ b/book/_toc.yml
@@ -5,18 +5,17 @@ root: welcome
 # ===== Getting Started =============================
 
 chapters:
-- file: part1.md
-- file: part2.md
-- file: part3.md
-- file: part4.md
-- file: part5.md
-- file: part6.md
-
+- file: what-is-hpc.md
+- file: logging-on-and-linux-recap.md
+- file: storage.md
+- file: modules-software.md
+- file: scheduling-submission.md
+- file: best-practices-troubleshooting.md
+- file: wrap-up.md
 
 # ===== Training and Support ========================
 - url: https://arc.leeds.ac.uk/courses/
   title: Training Courses
-- file: support/start
   title: Contact Us
 - url: https://arc.leeds.ac.uk
   title: Research Computing Website
\ No newline at end of file
diff --git a/book/best-practices-troubleshooting.md b/book/best-practices-troubleshooting.md
new file mode 100644
index 0000000..a48f591
--- /dev/null
+++ b/book/best-practices-troubleshooting.md
@@ -0,0 +1,10 @@
+# Session 6: HPC Best Practices & Troubleshooting
+
+
+## Common issues with job submission and system usage
+
+## Strategies for error diagnosis and resource optimization
+
+## Guidance and Support
+### arcdocs (and google)
+### submit a ticket
\ No newline at end of file
diff --git a/book/part2.md b/book/logging-on-and-linux-recap.md
similarity index 100%
rename from book/part2.md
rename to book/logging-on-and-linux-recap.md
diff --git a/book/part4.md b/book/modules-software.md
similarity index 100%
rename from book/part4.md
rename to book/modules-software.md
diff --git a/book/part6.md b/book/part6.md
deleted file mode 100644
index d3ee6ba..0000000
--- a/book/part6.md
+++ /dev/null
@@ -1,9 +0,0 @@
-# Session 6: Managing and Troubleshooting Jobs
-
-## Queue commands
-
-## checks
-
-## docs (and google)
-
-## submit a ticket
\ No newline at end of file
diff --git a/book/part5.md b/book/scheduling-submission.md
similarity index 57%
rename from book/part5.md
rename to book/scheduling-submission.md
index 6e09ab9..2abb4aa 100644
--- a/book/part5.md
+++ b/book/scheduling-submission.md
@@ -1,4 +1,15 @@
-# Session 5: Scheduler
+# Session 5: Job Scheduling & Submission
+
+## Overview of HPC job scheduling systems
+### General background
+### Slurm
+## Job Scripts
+### Structure of job scripts
+### resource requests
+### submission command
+
+
+## exercise
 
 - What is a scheduler
 - Fair use
@@ -11,13 +22,8 @@
 - https://arcdocs.leeds.ac.uk/aire/usage/job_example.html
 
 
-## Practical - submit an example serial job
+## Practical - write and submit a simple job script, monitor its progress, and learn to interpret feedback
 
 - Create/share example job and job script
 https://arctraining.github.io/rc-slides/hpc1.html#/submit-a-serial-python-job
 
-## Practical - submitting a parallelised job - NR - Remove too advanced
-
-- Create/port over previous examples
-
-https://arctraining.github.io/rc-slides/hpc1.html#/submit-some-parallel-jobs
\ No newline at end of file
diff --git a/book/part3.md b/book/storage.md
similarity index 100%
rename from book/part3.md
rename to book/storage.md
diff --git a/book/part1.md b/book/what-is-hpc.md
similarity index 100%
rename from book/part1.md
rename to book/what-is-hpc.md
diff --git a/book/wrap-up.md b/book/wrap-up.md
new file mode 100644
index 0000000..9a4cc5e
--- /dev/null
+++ b/book/wrap-up.md
@@ -0,0 +1,5 @@
+# Session 7: Wrap Up
+
+## Recap
+## Further Guidance
+## Q&A/Discussion
\ No newline at end of file