HBDJ book, "Melting the Earth, the History of Ideas on Volcanic Eruptions", by Haraldur Sigurdsson, by Oxford Univ., 1999 (pretty sure a 1st), 260 pages with many b/w illustrations.  Book is in nice shape -- basically mint -- slightest of shelf wear.  Measures 7 1/4" x 10 1/4".