|61||62|| * [http://www.postgis.us PostGIS in Action] It's out and available via various distributors including Manning Publications and Amazon. If you want just the E-Book, purchase directly from Manning. The E-book is about 50% off the hard-copy price. With the purchase of Hard-copy, there is a free-coupon to get the E-Book version. Book includes PostGIS 1.3-1.5, PostgreSQL 8.3-9.0 (with upcoming highlights of PostgreSQL 9.1 and PostGIS 2.0). All code and data downloads available for free on the book site even if you don't buy the book. [http://www.postgis.us/chapter_01 Chapter 1 (a primer on PostGIS )] and [http://www.postgis.us/chapter_appendix_c Appendix C (a primer on SQL)] are free downloads.