EILÍ S DILLON (1920— 1994) wrote more than thirty books for young people," "as well as fiction for adults, including the best-selling historical novel "Across the Bitter Sea," about the struggle for Irish independence in the nineteenth and twentieth centuries. With few exceptions, her young people’ s books are set in the west of Ireland, in small communities struggling to make a living on the islands and along the Atlantic coast. As the critic Declan Kiberd wrote in Dillon’ s obituary: “ What Laura Ingalls Wilder did for children’ s literature in the US, she