Books/Online Tutorials Recommended to Learn Geoprocessing?

Discussion created by samantham on Apr 5, 2012
Latest reply on Apr 5, 2012 by TJaiswal-esristaff
I know the very basics of ArcGIS such as performing a join on spatial attributes and creating maps from it, but I still have much to learn. What resources online tutorials, book, articles might you recommend to further my knowledge?