%%
%% The LaTeX Companion, 3ed
%%
%% Example 3-5-44 on page I-234 in "marginnote --- An alternative to \protect \nxLcs  {marginpar}".
%%
%% Copyright (C) 2022 Frank Mittelbach
%%
%% It may be distributed and/or modified under the conditions
%% of the LaTeX Project Public License, either version 1.3c
%% of this license or (at your option) any later version.
%%
%% See https://www.latex-project.org/lppl.txt for details.
%%

\documentclass{tlc3exa}
\pagestyle{empty}
\setcounter{page}{6}
\setlength\textwidth{159.0pt}
\sloppy
\setcounter{page}{1}
\addtolength\textwidth{-70pt}
\setlength\marginparwidth{58pt}
%StartShownPreambleCommands
\usepackage{xcolor,marginnote}
%StopShownPreambleCommands

\begin{document}
Some\marginnote{ASuperLongFirstWord without problems}
text with a marginal note. Some more text.

\renewcommand\raggedrightmarginnote{\centering}
\renewcommand\marginfont
             {\strut\color{blue}\sffamily\tiny}
Another text with a marginal note coming up
next\marginnote{ASuperLongFirstword without problems}.
A lot of additional text here to fill up the space
with a few additional lines.
\end{document}