What's Behind the Bushes?

The summer Nathan came to stay with his grandparents, he never expected to have such a good time. He and Grandpa got into some things that required that they both think hard on how to solve the problem and find the answer then would work and work well. The summer was short and sweet. The best thing was, his grandparents were planning for Nate to come for next summer too. What would he find to do? Would he have more adventures and more problems to solve?