Web dynpro ABAP is used to create Web based applications for SAP. All you need to know to start working on Webdynpro is a very good hands on experience in SAP ABAP and some basics of Object Oriented Programming.

So, where do I start if I want to learn Web dynpro ABAP:

1. Check out the training documents for absolute beginners in Webdynpro.
2. Checkout the blog by Thomas Jung on Web Dynpro Demonstration videos.
3. Checkout SAP Wiki on Webdynpro.

Do you know any other links on web dynpro? please share in the comment?

Update:Check out some of the tips and tricks and some more advanced tips and tricks.