From massive diggers, loggers, and loaders to gigantic dump trucks and bulldozers, this bright and busy book is a colorful introduction to the exciting world of mega trucks.

• 不管是巨大的挖掘机、圆木装车机、装载机，还是庞大的自动倾卸卡车、推土机，无一不有，作者会一步步带你走进这个异彩纷呈的卡车世界。