This is an announcement for the paper "Nigel Kalton's work in isometrical Banach space theory" by Dirk Werner. Abstract: This paper surveys some of the late Nigel Kalton's contributions to Banach space theory. The paper is written for the Nigel Kalton Memorial Website http://mathematics.missouri.edu/kalton/, which is scheduled to go online in summer 2011. Archive classification: math.FA Mathematics Subject Classification: 46B04, 46B03, 46B28 Submitted from: werner@math.fu-berlin.de The paper may be downloaded from the archive by web browser from URL http://front.math.ucdavis.edu/1103.3153 or http://arXiv.org/abs/1103.3153