Evan Kelridge

Evan Kelridge holds a Ph.D. in engineering and brings nearly 30 years of experience in engineering practice, teaching, and coaching to every book. Each textbook and handbook develops its subject from first principles, pairing every derivation with fully worked, unit-tracked examples and a verified problem set — built to be trusted, not just consulted. Drawing on decades in both the classroom and the field, Kelridge writes engineering textbooks and handbooks designed for readers who want to genuinely understand the material.