Hi, The tzdata2013d.tar.gz file's MD5 sum didn't match the book. I checked lfs book and it matches fresh download from iana. Perhaps MD5 sum in current clfs book is from older tarball? aa8732b3bcfcceb32c117a8dd066340f MD5 sum given by current book. 65b6818162230fc02f86f293376c73df MD5 sum of iana tarball. -John