Leonard Zubrensky, a lifelong liberal Milwaukee activist and lawyer, will discuss his book, "Let the Hi-Jinks Begin: Memoirs of a Democratic Activist," at Schwartz bookstore in Shorewood. His memoir is filled with stories about his political and social relationships with Frank Zeidler, Gaylord Nelson, Bill Proxmire, Les Aspin and others. Labor folksinger Larry Penn will join him.