Book classes do not provide an abstract environment as it is usual for books to have a whole chapter to sum up the contents. I defined a \fakechap command to have both on the same page and look alike. To be honest, it is a bit of a hack, a chapter should be of its own. Please note the difference in using \addchap. If you are interested, you can find out more at How to use unnumbered chapters with KOMA-script?How to use unnumbered chapters with KOMA-script?.
\begin{filecontents}{domititlepage.sty} \ProvidesPackage{domititlepage}[2014/11/03 titlepages domi style] %There is absolutely no warranty for this demo package % httphttps://tex.stackexchange.com/questions/209993/how-to-add-a-flyleaf-code/210280#210280 \RequirePackage{etoolbox} \ifundef{\KOMAClassName}{ \@ifclassloaded{memoir}{\PackageWarningNoLine{domititlepage}{Using memoir. Memoir has its own mechanism of generating stuff. Not loading `scrextend'. Aborting now} \endinput }{ \typeout{You seem to be using a standard class. Using package `scrextend' for nice features} \RequirePackage[extendedfeature=title]{scrextend} } \typeout{non-KOMA branch} }{ \typeout{Using a KOMA class, no need to load package scrextend} } \newcommand{\@supervisor}{} \newcommand{\supervisor}[1]{\gdef\@supervisor{#1}} \newkomafont{supervisor}{\normalfont\normalsize} \newcommand{\@degree}{} \newcommand{\degree}[1]{\gdef\@degree{#1}} \newkomafont{degree}{\normalfont\normalsize} \newcommand*{\@thanksnote}{} \newcommand*{\thanksnote}[1]{\gdef\@thanksnote{#1}} \newkomafont{thanksnote}{\small\itshape} \newcommand{\@@thanksnote}{\begin{minipage}{\linewidth} \usekomafont{thanksnote}\@thanksnote\par\end{minipage}\par} \renewcommand{\maketitle}{% \begin{titlepage} \setlength{\parindent}{\z@} \setlength{\parskip}{\z@} \typeout{Typesetting the titlepage} \vspace{-1em} \begin{minipage}[t]{\textwidth} \centering University for theoretical and applied animal dance in Duckburg\par \end{minipage}\par \vspace{7em} {\LARGE\centering\usefont{T1}{qcs}{b}{n} \@title\par} \vspace{5em} {\usekomafont{author}\centering \@author\par} \vspace{2em} \ifx\@degree\@empty \else {\centering\usekomafont{degree}\@degree\par} \fi \next@tpage \ifx\@thanksnote\@empty\hbox{} \else {\@@thanksnote} \fi \vfill \begin{minipage}{10em} \raggedright \usefont{T1}{qcr}{m}{n} No animals were harmed during the production of this printed work\par \end{minipage} \end{titlepage}% } \end{filecontents} \documentclass{scrbook} \usepackage{domititlepage} \usepackage{blindtext} \author{Paulo Lee Peterson} \title{Polka loving Platypus} %\degree{Master of Stuff} %\thanksnote{Thanks to Daisy for her support} \begin{document} \maketitle \chapter{Introduction to Polka dancing} \blindtext \end{document} 