Join two hard-working tractors on their very busy day, in this rhyming adventure perfect for little tractor enthusiasts!Chugga-chugga, vroom vroom! From ploughing the fields to spreading seeds, and harvesting the fields to spreading muck - yuck! - the two tractors have so many jobs to do, all year round! But there's a sheep on the loose, and they're about to cause some chaos on the farm... can the tractors save the day? Of course they can!The latest in the Busy Vehicles series from award-winning author Michelle Robinson, Tractors on the Go! is bursting with farm vehicles and their doggy drivers, and with a wind-down bedtime ending, this book is sure to keep little tractor fans busy spotting. Also in the series:Red Lorry, Yellow LorryTrains, Boats and Planes