This is an early reader all about three trucks who are going up the hill until one of them gets stuck in the mud. Then, they need to help each other. It's clearly designed to appeal to young readers who love trucks and need some kind of action to make a story interesting. There are 106 words in the entire book. Many repeat. The "story words" are truck, dump, hill, rain, mud and help to give you a feel for the level of the reading.
Stone Arch Level 1
Others in the series: Road Race, Snow Trouble, Truck Buddies