Вынес преамбулу в файл стиля.

SPECIAL.tex

@@ -1,43 +1,4 @@
-\documentclass[a4paper,12pt,oneside]{memoir}
-\usepackage{fontspec}
-\usepackage{xunicode}
-\usepackage{xltxtra}
-\usepackage{polyglossia}
-\setdefaultlanguage{russian}
-\defaultfontfeatures{Mapping=tex-text, Scale=MatchLowercase}
-\setmainfont{PT Serif}
-\setmonofont{PT Mono}
-\setmathrm{PT Serif}
-\newfontfamily{\cyrillicfont}{PT Serif}
-\newfontinstance\scshape[Letters=SmallCaps, Numbers=Uppercase]{PT Serif Caption}
-\usepackage{hyperref}
-\usepackage{indentfirst}
-%\usepackage[cm]{fullpage}
-\semiisopage[12]
-\checkandfixthelayout
-\usepackage{tabulary}
-\pagestyle{empty}
-\setcounter{secnumdepth}{0}
-\setcounter{tocdepth}{2}
-
-\newcommand{\titleAY}{
-\begingroup% Editions & Impressions
-\vspace*{0.6\textheight}
-\ttfamily
-\raggedright
-{\LARGE {\huge П}равила ролевой системы \\
-\hspace*{30pt} {\huge Ф.И.К.У.С.}}\par
-\vspace{2\baselineskip}
-{\large\ltseries\hspace*{15pt} {\Large Н}е {\Large Р}екомендуется
-\\[.1\baselineskip]
-\hspace*{15pt} к {\Large У}потреблению}\par
-\vspace{2\baselineskip}
-\hspace*{15pt}{\ltseries \textit{\large Александр Яковлев}}\par
-\clearpage
-\endgroup
-}
-
-\chapterstyle{southall}
+\documentclass[a4paper,12pt,oneside]{special}
 
 \begin{document}
 \titleAY

special.cls

@@ -0,0 +1,58 @@
+% Declare that this style file requires at least LaTeX version 2e.
+\NeedsTeXFormat{LaTeX2e}
+
+% Provide the name of your page, the date it was last updated, and a comment about what it's used for
+\ProvidesPackage{special}[2012/11/09 custom style for this book]
+
+\DeclareOption*{%
+  \PassOptionsToClass{\CurrentOption}{memoir}% or book or whatever
+}
+
+% Now we'll execute any options passed in
+\ProcessOptions\relax
+
+% Instead of defining each and every little detail required to create a new document class,
+% you can base your class on an existing document class.
+\LoadClass{memoir}% or book or whatever you class is closest to
+
+\RequirePackage{fontspec}
+\RequirePackage{xunicode}
+\RequirePackage{xltxtra}
+\RequirePackage{polyglossia}
+\setdefaultlanguage{russian}
+\defaultfontfeatures{Mapping=tex-text, Scale=MatchLowercase}
+\setmainfont{PT Serif}
+\setmonofont{PT Mono}
+\setmathrm{PT Serif}
+\newfontfamily{\cyrillicfont}{PT Serif}
+\newfontinstance\scshape[Letters=SmallCaps, Numbers=Uppercase]{PT Serif Caption}
+\usepackage{hyperref}
+\usepackage{indentfirst}
+%\usepackage[cm]{fullpage}
+\semiisopage[12]
+\checkandfixthelayout
+\RequirePackage{tabulary}
+\pagestyle{empty}
+\setcounter{secnumdepth}{0}
+\setcounter{tocdepth}{2}
+
+\newcommand{\titleAY}{
+\begingroup% Editions & Impressions
+\vspace*{0.6\textheight}
+\ttfamily
+\raggedright
+{\LARGE {\huge П}равила ролевой системы \\
+\hspace*{30pt} {\huge Ф.И.К.У.С.}}\par
+\vspace{2\baselineskip}
+{\large\ltseries\hspace*{15pt} {\Large Н}е {\Large Р}екомендуется
+\\[.1\baselineskip]
+\hspace*{15pt} к {\Large У}потреблению}\par
+\vspace{2\baselineskip}
+\hspace*{15pt}{\ltseries \textit{\large Александр Яковлев}}\par
+\clearpage
+\endgroup
+}
+
+\chapterstyle{southall}
+
+\endinput