Ron Young has been a sculptor and a professor for over thirty years.  He has owned and operated a commercial foundry specializing in the ceramic shell method of casting.  He is internationally renowned for his expertise in patinas.  Because of his many years of teaching, his books and videos are thorough yet easy to understand.  You will be able to take these books to your studio and instantly go to work.

His two books Methods for Modern Sculptors and Contemporary Patination are used as textbooks in many foundries and schools.  And his videos are the best source for comprehensive lectures and demonstrations on the art of patination.