diff --git a/_bookdown.yml b/_bookdown.yml
index 6805c36..53319ff 100644
--- a/_bookdown.yml
+++ b/_bookdown.yml
@@ -8,16 +8,16 @@ rmd_files: [
   "intro.Rmd",
 
   "whole-game.Rmd",
-  "visualize.Rmd",
+  "data-visualize.Rmd",
   "workflow-basics.Rmd",
-  "transform.Rmd",
+  "data-transform.Rmd",
+  "data-import.Rmd",
   "workflow-scripts.Rmd",
   "EDA.Rmd",
   "workflow-projects.Rmd",
 
   "wrangle.Rmd",
   "tibble.Rmd",
-  "import.Rmd",
   "tidy.Rmd",
   "relational-data.Rmd",
   "strings.Rmd",
diff --git a/import.Rmd b/data-import.Rmd
similarity index 99%
rename from import.Rmd
rename to data-import.Rmd
index a78f1b8..c107952 100644
--- a/import.Rmd
+++ b/data-import.Rmd
@@ -1,5 +1,7 @@
 # Data import
 
+<!--# TO DO: This chapter got moved here from the wrangle section, make sure it makes sense in this new location, doesn't assume anything that comes after it. -->
+
 ## Introduction
 
 Working with data provided by R packages is a great way to learn the tools of data science, but at some point you want to stop learning and start working with your own data.
diff --git a/transform.Rmd b/data-transform.Rmd
similarity index 100%
rename from transform.Rmd
rename to data-transform.Rmd
diff --git a/visualize.Rmd b/data-visualize.Rmd
similarity index 100%
rename from visualize.Rmd
rename to data-visualize.Rmd