Irwin Weiner ASID - We often make new discoveries at a trade fair or industry show, and this Spring's Book Expo America show, the largest gathering of global publishers in the United States, gave us one great discovery - Fiell. Charlotte and Peter Fiell started their own UK-based publishing company founded on their love of design.Irwin Weiner ASID - We often make new discoveries at a trade fair or industry show, and this Spring's Book Expo America show, the largest gathering of global publishers in the United States, gave us one great discovery - Fiell. Charlotte and Peter Fiell started their own UK-based publishing company founded on their love of design.