Grotta, Daniel, 1944- J.R.R. Tolkien : : architect of Middle Earth : a biography / [electronic resource] / by Daniel Grotta-Kurska ; edited by Frank Wilson.. — Philadelphia : : Running Press,, c1976.. — 165 p. ; 21 cm.
Later (c1978) ed. published under title: The biography of J.R.R. Tolkien.