The Boy Mechanic goes back in time to save the eartha and our future.Adventure, nostalgia, FUN! The latest captivating title in the popular "Boy Mechanic" series returns to a simpler time when recycling, repurposing, and "repair, not replace," were a part of everyday life. Back then, no one spoke about "going green"--they just did it as a matter of course. "The Boy Mechanic Saves the World (One Project at a Time)" comes from that era, and presents eco-friendly, thrifty, and really cool activities. From turning ketchup bottles into nifty soap dispensers and building a window greenhouse for plants to making a power-generating windmill, it features useful and entertaining shortcuts for conserving our resources. This title continues the very successful series, developed from early and mid-20th-century issues of "Popular Mechanics," that celebrates American ingenuity and the can-do spirit."