Hi,
Here are some of the books you may consider:
LabVIEW Graphical Programming and LabVIEW Power Programming by Gary W. Johnson, McGraw Hill
LabVIEW for Everyone by Lisa K. Wells and Jefferey Travis, Prentice-Hall
LabVIEW Signal Processing by Mahesh Chugani, Abhay Samant, And Michael Cerna, Prentice-Hall
LabVIEW Applications and Solutions by Rahman Jamal and Herebrt Pichlik, Prentice-Hall
Hope it is helpful.
Ankita