1.EMC at Component and PCB Level 2.High Speed PCB Design by Lee W. Ritchey and James C. Blankenhorn. 3.Surface-Mount Technology for PC Boards by James K. Hollomon, Jr. 4.Printed Circuit Board Basics by Michael Flatt. These are all good books I have read before.

The standard IPC-2221, "Generic Standard on Printed Board Design" is quite complete, which covers lots of information: 1.General Requirements 2.Materials 3.Mechanical 4.Electrical Properties 5.Thermal Management 6.Component and Assembly Issues....