Two more GIS books to mention: Web GIS: Principles and Applications by Pinde Fu and Jiulin Sun, from Esri Press (via Esri Mapping Center); and Spatial Analysis and Modeling in Geographical Transformation Process, edited by Y. Murayama and Rajesh Bahadur Thapa, from Springer (via @MattArtz).

• Buy Web GIS: Principles and Applications at Amazon.com (Canada, UK)