diff --git a/book/book.ilg b/book/book.ilg
index 5b60366..8867f83 100644
--- a/book/book.ilg
+++ b/book/book.ilg
@@ -1,4 +1,4 @@
-This is makeindex, version 2.15 [TeX Live 2019/dev] (kpathsea + Thai support).
+This is makeindex, version 2.15 [TeX Live 2019] (kpathsea + Thai support).
Scanning input file book.idx....done (331 entries accepted, 0 rejected).
Sorting entries......done (3112 comparisons).
Generating output file book.ind....
diff --git a/book/book.pdf b/book/book.pdf
index 786c601..970fa37 100644
Binary files a/book/book.pdf and b/book/book.pdf differ
diff --git a/book/box-vector.svg b/book/box-vector.svg
new file mode 100644
index 0000000..a3ed24c
--- /dev/null
+++ b/book/box-vector.svg
@@ -0,0 +1,454 @@
+
+
+
+
diff --git a/book/content/movement.tex b/book/content/movement.tex
index e3a97a2..22bb67e 100644
--- a/book/content/movement.tex
+++ b/book/content/movement.tex
@@ -300,7 +300,7 @@ Transient tic disorder
093 Other disorders of nervous system without cc/mcc
\end{itemize}
-\begin{center}\rule{0.5\linewidth}{\linethickness}\end{center}
+\begin{center}\rule{0.5\linewidth}{0.5pt}\end{center}
\hypertarget{icd-10-cm-diagnosis-code-g25.71}{%
\subsection{2019 ICD-10-CM Diagnosis Code G25.71}\label{icd-10-cm-diagnosis-code-g25.71}}
@@ -371,7 +371,7 @@ Transient tic disorder
057 Degenerative nervous system disorders without mcc
\end{itemize}
-\begin{center}\rule{0.5\linewidth}{\linethickness}\end{center}
+\begin{center}\rule{0.5\linewidth}{0.5pt}\end{center}
\hypertarget{icd-10-cm-diagnosis-code-g24.01}{%
\subsection{2019 ICD-10-CM Diagnosis Code G24.01}\label{icd-10-cm-diagnosis-code-g24.01}}
diff --git a/content/book/_index.md b/content/book/_index.md
index def4188..abe86c0 100644
--- a/content/book/_index.md
+++ b/content/book/_index.md
@@ -45,6 +45,14 @@ Several sections focus on suicide, self-harm, rape, sexual content, and poor men
Rate on Goodreads!
+## Making of
+
+ally from start to finish is a short companion book explaining how the project was made, both the website ally.id and the book. It talks about the structure, the tools and the pitfalls encountered along the way. It also comes with the source for itself so that you can see some of what goes into producing a book like this (as ally uses much the same structure).
+
+