+\part[Tiered versus Tierless Programming]{\\[2ex]\smaller{}Tiered versus Tierless Programming}%
+\label{prt:tvt}
+\subfile{tvt/tvt} % Could Tierless Languages Reduce IoT Development Grief?
+
+% Conclusion
+\bookmarksetup{startatroot} % descend back out of the previous part
+\addtocontents{toc}{\bigskip}% Insert some whitespace to make the TOC better
+\subfile{concl/concl}