If you find yourself called on to judge people on a regular basis, you need all the tools at your disposal to do your job right. Handwriting psychology offers one practical method for helping you learn what you need to learn about your subject quickly.

Whether you are a teacher, psychologist or manager, you can benefit from the guidance of Dr. Helmut Ploog, a handwriting expert. Learn what the size and width of handwriting can reveal about a person, as well as what more muted features-such as slant, spacing, and direction of lines-can make clear.

Written in plain English, this...