\documentclass[a4paper, 12pt]{jbook}
\usepackage{graphicx, booktabs, amsmath, amssymb, url, makeidx, color}

\usepackage{sprmacros, fancybox, framed, longtable, comment}

\title{Springhead Users Manual}
\date{}
\author{Yuichi Tazaki and Springhead Development Team.}

\renewcommand{\figurename}{Fig.\,}
\renewcommand{\tablename}{Table\,}

\begin{document}
\maketitle
\tableofcontents

\input{chapters}

\end{document}