diff --git a/science-of-cleaning.tex b/science-of-cleaning.tex
index aa9419f..abbde48 100644
--- a/science-of-cleaning.tex
+++ b/science-of-cleaning.tex
@@ -37,6 +37,7 @@
 \usepackage{microtype} % Make things neater. 
 \usepackage{tabularray} % Easy tables
 \usepackage[]{footmisc}
+\usepackage{tikz}
 
 
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
@@ -121,9 +122,11 @@
 
 
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-%% Just for Issue #006 %%%%%%%%%%%%%%%%%%%%%%
-\usepackage{tikz}
-
+%% Chapter Subtitles %%%%%%%%%%%%%%%%%%%%%%%%
+%% https://tex.stackexchange.com/questions/52963/how-can-i-get-extra-subtitles-for-chapter-titles-that-also-appear-in-the-toc
+\newcommand\Chapter[2]{
+  \chapter[#1: {\normalfont\itshape#2}]{#1\\[0ex]\large\normalfont\itshape #2}
+}
 
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 %% Include URLS %%%%%%%%%%%%%%%%%%%%%%%%%%%%%
@@ -132,6 +135,13 @@
 \usepackage[hidelinks]{hyperref} % Inlcude URLs, but load this package last
 
 
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%% Bibliography is now a section %%%%%%%%%%%%
+%% https://tex.stackexchange.com/questions/74296/to-have-no-pagebreak-before-bibliography
+\usepackage{etoolbox}
+\patchcmd{\thebibliography}{\chapter*}{\section*}{}{}
+
+
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 %% Document Information %%%%%%%%%%%%%%%%%%%%%
 %% Adjust the TITLE and SUBTITLE as necessary
@@ -151,13 +161,6 @@
 } % end \title
 
 
-%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-%% Bibliography is now a section %%%%%%%%%%%%
-%% https://tex.stackexchange.com/questions/74296/to-have-no-pagebreak-before-bibliography
-\usepackage{etoolbox}
-\patchcmd{\thebibliography}{\chapter*}{\section*}{}{}
-
-
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 %% Let's get it started %%%%%%%%%%%%%%%%%%%%%
 
@@ -192,12 +195,28 @@ If you want to donate financial support for the creation of this zine (and all t
   Sixth Edition,
   2006.
 
+\bibitem{redditcleaningtips}
+  \textit{r/CleaningTips},
+  \kref{https://www.reddit.com/r/CleaningTips/}{https://www.reddit.com/r/CleaningTips/}
+
 \end{thebibliography}
 
 
 \tableofcontents
 
-\chapter*{Introduction}
+\setcounter{chapter}{-1}
+\chapter{Introduction}
+
+\chapter{A pH Primer}
+
+\Chapter{Acid Cleaners}{Vinegar is your friend}
+
+\Chapter{Alkaline Cleaners}{When acids just won't cut it}
+
+\Chapter{Surfactants}{i.e., Soaps and detergents}
+
+\chapter{Abrasive Cleaners}
+