Books on consulting in the library building can be found on the 2nd floor in the Cowan-Blakley Memorial Library. There will be a good number in section:
HD 69 .C6
Remember that these books are just examples. Search the resources given on the lefthand side of the page to find books and chapters that fit your topic and help you learn about your own goals as a consultant. If you need guidance, feel free to contact the library.