James Slough Zerbe

James Slough Zerbe (September 18, 1849 – February 8, 1921) was an American inventor, mechanical and electrical engineer, early aircraft builder, and author. Alongside his experiments with ambitious multi-wing aircraft designs, he wrote practical instructional books that explained how things worked in clear, approachable language.

Many of his books were aimed at boys who were curious about building, repairing, and understanding machines. Titles associated with him include works on carpentry, motors, electricity, automobiles, and aeroplanes, and they reflect the early 20th century's fascination with invention and everyday engineering.

Today, Zerbe is remembered both as a colorful figure in the history of early aviation and as a popular explainer of technology for young readers. His writing has survived through public-domain editions, giving modern readers a window into how science and mechanics were taught during a fast-changing era.