The publication Fluidity is published in the context of Pousttchi's exhibition of the same name, which kicks off the thematic year "Wegweiserinnen" (2022) at the Arp Museum Bahnhof Rolandseck. The catalogue shows 36 outstanding sculptures, reliefs, ceramics, and photographs created over the past ten years. The essay was written by Jutta Mattern. With a foreword by Petra Spielmann.