This catalogue is an immersive adventure through the what, how and why of a contemporary art exhibition for children and adults alike. It is a journey through the 2023 exhibition Thoughts Play Hide and Seek by Ephra in Berlin. Curated by Rebecca Raue, the catalogue features works by Paula Anke, Ilit Azoulay, Olafur Eliasson, Ethan Hayes-Chute, Jeppe Hein, Claudia Hill, Christian Jankowski, Anne Duk Hee Jordan, Nadia Kaabi-Linke, Ali Kaaf, Wie-yi T. Lauw, Dafna Maimon, Wolfgang Karl May, Ayumi Paul, Ana Prvacki, Karin Sander, Yorgos Sapountzis, Tomás Saraceno, Nadine Schemmann, Vlado Velkov, Ulrich Vogl and Nicole Wendel.