Squishy McFluff: The Invisible Cat Seaside Rescue by Pip Jones Ava and Squishy are having a great day at the seaside until McFluff floats away. Who can help to find him? Themes If you see then click to see more information for a theme. Please take care as context may contain descriptions of a sensitive nature and/or spoilers. SeasideSandcastlesFamilyIce CreamsHelpfulness