% book example for classicthesis.sty
\documentclass[11pt,paper=a5,footinclude=true,headinclude=true]{scrbook} % KOMA-Script book
\usepackage[T1]{fontenc}                
\usepackage{lipsum}
\usepackage[linedheaders,parts,a5paper]{../classicthesis} % ,manychapters
%\usepackage[osf]{libertine}

\begin{document}
%   \pagestyle{scrheadings}
%   \manualmark
%   \markboth{\spacedlowsmallcaps{\contentsname}}{\spacedlowsmallcaps{\contentsname}}
    
    \tableofcontents 

%   \automark[section]{chapter}
%   \renewcommand{\chaptermark}[1]{\markboth{\spacedlowsmallcaps{#1}}{\spacedlowsmallcaps{#1}}}
%   \renewcommand{\sectionmark}[1]{\markright{\thesection\enspace\spacedlowsmallcaps{#1}}}

    % use \cleardoublepage here to avoid problems with pdfbookmark
    \cleardoublepage\part{Test Part}
    \chapter{Some Math Testing}
    \lipsum[1]
        
    \chapter{Test Chapter}
    \lipsum[1]

    \section{A Section}
    \lipsum[1]
    
    \chapter{Test Chapter}
    \lipsum[1]
    
    \section{A Section}
    \lipsum[1]

%   \include{multiToC}

    \appendix
    \cleardoublepage\part{Appendix}
    \chapter{Appendix Chapter}
    \lipsum[1]
    
    \section{A Section}
    \lipsum[1]

\end{document}