If you are interested in learning about rudiments; then check out this book. It is the largest collection of drum rudiments inside of a single book.
A virtuoso snare drum player is a drummer that follows all of the traditional schools of thought. Such as rudimental drumming, Basler Drumming, NARD, PAS, American Rudimental Drumming, Scottish Pipe Band Drumming, or any other. These drummers just pick up the drum sticks and learn as many drum rudiments as possible.
Creative Control by Thomas Lang is kind of an advanced book. Although intermediate players can probably approach the book and be able to play some of it. However, it is important to note that you need to be pretty good at some of the following things to really be able to grasp this book.
Triplet Control by Joel Rothman is a book that is written for percussion. It is written for (1) drum. It could be played on any drum that you want. However, most people would play it on the snare drum. At first glance, the book seems kind of small in size and when you open it up it just looks like the same thing written over and over.
Harriet Agostinelli is a music teacher of a different sort. If you are an adult above the age of 45 years old, Then Harriet Agostinelli is the kind of teacher that you can remember during the years when you, yourself might have been a student.