"This is the summer that Zander had his first big mystery to solve. Every Wednesday afternoon, Grandpa took Grandma to the grocery store to buy food for the week." ..."But this Wednesday would turn out a little different than any other Wednesday before. When they arrived back at home, they noticed that the front yard had been mowed. Grandpa always mowed the lawn on Thursdays. They all got out of the truck and helped Grandma bring in the groceries...