The King Kids and the Malfunctioning Mess

What is going on with Robo Ren?

John King is so excited to be invited to the National Science Expo. He's running a lemonade stand to raise money to cover the entrance fee. In the middle of planning the stand, Robo Ren, John's Science project, begins to malfunction. Messes are popping up everywhere! Will John and his dad figure out the problem before the messes take over? Will he be ready in time for the National Science Expo?

The King Kids Series is full of fun family moments, funny and real sibling interactions, and problems to be solved.

Books can be read in any order.