+
+\usepackage{titlesec}
+\titleformat{\chapter}{\huge}{\thechapter.}{20pt}{\hyphenpenalty=10000 \Huge}
+\titleformat{\section}{\Large}{\thesection}{1em}{}
+\titleformat{\subsection}{\large}{\thesubsection}{1em}{}
+%% \titleformat{\paragraph}{\normalsize}{\theparagraph}{1em}{}
+%% \titleformat{\subparagraph}{\normalsize}{\thesubparagraph}{1em}{}
+
+\usepackage{titletoc}
+
+% indented subsection (in toc)
+\titlecontents{part}
+[0.0cm] % left margin
+{\vskip 0.5em} % above code
+{% % numbered format
+{\Large\thecontentslabel\quad}%
+}%
+{\Large} % unnumbered format
+{\hfill \contentspage \vskip 0.2em} % filler-page-format, e.g dots
+
+
+% indented subsection (in toc)
+\titlecontents{chapter}
+[0.0cm] % left margin
+{} % above code
+{% % numbered format
+{\large\thecontentslabel.\quad}%
+}%
+{\large} % unnumbered format
+{\hfill \contentspage} % filler-page-format, e.g dots
+
+% We have many short chapters. Avoid them all starting on right-side
+% pages, as it wastes too much space
+\let\cleardoublepage\clearpage