The "Mathematics for Plumbers and Pipefitters 8th Edition by Lee Smith" is a specialized textbook focused on technology and engineering, specifically catering to individuals in the plumbing and pipefitting industry. Published by Cengage Learning in 2012, this trade paperback book covers subjects such as construction, plumbing, algebra, and applied mathematics. With a revised edition featuring updated content, this book provides practical insights and problem-solving skills for plumbers and pipefitters looking to enhance their mathematical knowledge and expertise in their field.