DISC Manual
Latest edition of the DISC Manual for DISC Certification and studying for the Science of Behaviors. $120.00+ S&P
Emotions of Normal People
The original DISC as described by William Marston, the creator of DISC. Marston also invented the first lie detector and the Wonder Woman Comic character. $45.00 + (S&H)
Types Of Men
The original motivators as describe by Eduard Spranger, Psychologist, Teacher, Philosopher $45.00 + (S&H)