Skills Required for RTL Designers
HDL - VHDL/Verilog ASICS and FPGA flow
Books
Jayaram Bhasker - A VHDL Primer John F.Wakerly - Digital Design:Principles and Practices M. Morris Mano - Digital Design Samir Palnitkar - Verilog HDL Stuart Sutherland - SystemVerilog for Design John Smith - Application Specific Integrated Circuits
Other Resources
Sunburst Design Papers Perlmonks