HERBERT, Frank (1920-1986). The Santaroga Barrier. New York: Berkley Publishing Corporation, 1968. Publisher's cloth, printed dust jacket. FIRST EDITION. Currey p.239. -- The God Makers. New York: G. P. Putnam's Sons, 1972. Publisher's cloth, printed dust jacket. FIRST EDITION. Currey p.239. -- God Emperor of Dune. New York: G.P. Putnam's Sons, 1981. Original cloth; slipcase. -- The White Plague. New York: G.P. Putnam's Sons, 1982. Publisher's cloth, printed dust jacket. FIRST EDITION, SIGNED BY HERBERT on title-page. -- Together 4 volumes, 8vo, condition generally fine.