So, basically I'm working on my memoir. TeX and LaTeX are rather new for me. I really looked everywhere to be able to design the same chapter heading as Walter Appel does in his brilliant book called "Mathematics For Physics and physicists !".

This is how it looks:

Chapter Headings From Walter Appel

I tried using the titlesec package like this:

\documentclass[11pt, a4paper,oneside]{book}
  {\begin{adjustbox}{angle=90}\hbox{\chaptertitlename}\end{adjustbox}\ \color{gray}\thechapter}{20pt}{\Huge}  

But I don't know how I can make it look more like Walter Appel does.

I would really appreciate your help. Also, I apologize in advance for my bad English (I'm French) and for the code I provided which is rather not that advanced.


2 Answers 2


A simple solution with titlesec:

\documentclass[11pt, a4paper,oneside]{book}
  {20pt} {}


    \chapter{Some Fancy Chapter}


enter image description here

  • psk, stealing the tick with simple versions... :) Have a vote.
    – Skillmon
    Commented May 4, 2020 at 17:41
  • Though I'd use \Huge for the chapter number and adapt the scaling factor, because the \Huge font might be more suitable for that size (depending on font choice etc.).
    – Skillmon
    Commented May 4, 2020 at 17:42
  • You're right – the code is easier to understand for beginners. Thanks for the suggestion!
    – Bernard
    Commented May 4, 2020 at 17:53
  • +1: Even a tikz-free solution :). Commented May 4, 2020 at 18:14
  • You don't need a sledgehammer to crack a nut :o)
    – Bernard
    Commented May 4, 2020 at 18:27

Without using titlesec but with manually redefining the internal \@makechapterhead. This comes pretty close, the fonts differ and maybe the sizes aren't perfect.

\documentclass[11pt, a4paper, oneside]{book}





\chapter{Convergence et limites}


enter image description here

  • Big thanks!!! That's it. No problem for the font, I didn't wanted to change it anyway.
    – simon0242
    Commented May 3, 2020 at 15:15

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