diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..f0a5279
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+node_modules
+/_book
\ No newline at end of file
diff --git a/Makefile b/Makefile
index 192cc83..d4049fa 100644
--- a/Makefile
+++ b/Makefile
@@ -1,15 +1,14 @@
 
-all: build
-
-build: pdf
+build:
 	gitbook build
 
+all: build pdf
+
 run:
 	gitbook serve --port 8080
 
-pdf:
-	gitbook pdf . VCV-Rack-manual.pdf
+pdf: build
+	gitbook pdf . _book/VCV-Rack-manual.pdf
 
 upload: all
 	rsync _book/ vcvrack.com:vcvrack.com/manual/ -ruvz --delete
-
diff --git a/README.md b/README.md
index 2953176..b1c462c 100644
--- a/README.md
+++ b/README.md
@@ -16,7 +16,11 @@ Install [gitbook](https://github.com/GitbookIO/gitbook) with
 
 	npm install gitbook-cli -g
 
-Run
+Install gitbook plugins with
+
+	gitbook install
+
+Build with
 
 	make run
 
diff --git a/book.json b/book.json
index 1346db3..de99463 100644
--- a/book.json
+++ b/book.json
@@ -1,4 +1,13 @@
 {
+	"plugins": [
+		"insert-logo-link"
+	],
+	"pluginsConfig": {
+		"insert-logo-link": {
+			"src": "images/logo.png",
+			"url": "https://vcvrack.com/"
+		}
+	},
 	"structure": {
 		"readme": "Introduction.md",
 		"summary": "TOC.md",
diff --git a/images/logo.png b/images/logo.png
new file mode 100644
index 0000000..3cf1629
Binary files /dev/null and b/images/logo.png differ