Helpful Books

In physics, a quantum (plural: quanta) is the minimum amount of any physical entity involved in an i

Music theory is the study of the practices and possibilities of music. The Oxford Companion to Music

If you want to know nearly everything there is to know about rocks and minerals, here are our books

Neuropsychology is the study of the structure and function of the brain as they relate to specific p

a handgun is a firearm designed to be handheld, in either one or both hands. this characteristic dif

Criminal law is the body of law that relates to crime. It proscribes conduct perceived as threatenin

Herbal medicines are naturally occurring, plant-derived substances that are used to treat illnesses

A shotgun (also known as a scattergun, or historically as a fowling piece) is a firearm that is usua

Economic theories try to explain economic phenomena, to interpret why and how the economy behaves an

An economic indicator is a statistic about an economic activity. Economic indicators allow analysis