DK brings John Deere's reputation for quality to this book series, along with eye-popping photos of their signature green and yellow tractors. Young readers learn about tractors, farming, as well as the world around them with incredible photographs, simple text, and a little help from Johnny Tractor. <br><br> Preschoolers can touch "chunky" tractor tires, "spiky" grass, "bumpy" seeds, and much more. Each spread features a different texture and clear instruction that encourages young children to explore, and use their eyes and hands to recognize and name objects.