No, I believe Prata alone could take you to a moderate/advanced level of C programming skills.
If you want to further your studies, I would recommend the following two texts:
Reek's text not only does an excellent job covering the challenging topic of pointers, it also covers many of the less understood areas of the C language.
Perry's text is truly a treasure trove of C programming gems, unfortunately it is out-of-print and used copies bring a small fortune, so if you find a copy Buy It!
You might also find the following text of use, if you professionally program in the C Language.
The following text is an industry standard reference for the C Language, I keep a copy on desk:
The Fish Book is a great read, extremely amusing and educational at the same time:
BigDog