From spinning gears to silent acceleration, GEAR DRIVE traces the incredible transformation of how we move through the world. Evan L. Cross takes readers on a captivating journey through the mechanical heart of our machines — from the age of steam and steel to the electrified future humming beneath our feet.

Clear, insightful, and engaging, this book offers a fresh lens on electric motors, batteries, and the growing role they play in everything from personal vehicles to smart cities. Whether you’re a curious reader, a technology enthusiast, or someone trying to make sense of the EV revolution, GEAR DRIVE brings clarity without sacrificing depth.

Explore the core components that power motion. Understand how electric systems are replacing their mechanical ancestors — not through brute force, but through precision and sustainability. Cross blends real-world examples, thoughtful analogies, and accessible explanations to illuminate topics often buried under technical jargon.

As we stand at the crossroads between the mechanical and electric ages, this book invites you to understand not just how things work — but why that understanding will shape the next century of innovation.

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This book is part of GEAR makes complexity clear…, a series of standalone nonfiction books designed to turn big ideas into clear, engaging reads.

GEAR is a playful journey into the hidden life of machines.

From tiny robot vacuums to soaring aircraft, from clean energy to cooling secrets, each book takes one powerful word and unpacks it with color, clarity, and charm. Sometimes you’ll meet a simple formula, other times none at all—but never the heavy stuff. Instead, you get stories, analogies, and friendly visuals that turn engineering into everyday wonder. No stress, no jargon—just the joy of seeing how systems really tick. With new titles joining beyond the first five, GEAR is always building, always growing, and always fun to explore.

Environmental Science