A biographical book 'Vetulani. A beautiful mind, a wild heart' by Katarzyna Kubisiowska displayed on the glass-case of the Main Scientific Bookshop (Główna Księgarnia Naukowa) at 6 Podwale Street in Kraków, Poland
<a href="//commons.wikimedia.org/wiki/User:Francesco_13" title="User:Francesco 13">Franek Vetulani</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>