Up and down, here and there, busy wheels are everywhere! Dog and Tractor are hard at work on a busy, blustery day. It's so windy that a tree falls and blocks the lane. Tractor must hurry to help! It's time to get busy with machines that race, vroom and zoom! This vibrant series is designed to excite playful pre-schoolers. Each Busy Wheels book offers a colorful vehicle adventure, sounds to mimic and an exciting job to get done! Each story features a popular vehicle as the central character, and involves a group of animal characters in a supporting role. A detailed spread on different parts of the vehicle will help children to understand what makes up the machines and will help familiarize them with vehicle vocabulary and noises. Busy Wheels Series includes: Fire Truck is Flashing (978-1-60992-228-3) Digger to the Rescue (978-1-60992-229-0) Tractor Saves the Day (978-1-60992-230-6) Race Car is Roaring (978-1-60992-231-3) Police Car is Chasing (978-1-60992-436-2) Dumper Truck Dash! (978-1-60992-437-9) Ambulance in Action! (978-1-60992-439-3) Monster Truck Mountain Rescue! (978-1-60992-438-6)