The King Kids and the Malfunctioning Mess (Paperback) (ISBN-13: 9781088247976)

What is going on with Robo Ren?

John King is thrilled to be invited to the National Science Expo-and he's determined to earn his way there by running a lemonade stand. But just as plans start coming together, his trusty robot, Robo Ren, begins to glitch. Instead of helping, Ren is making messes everywhere! With the clock ticking and chaos mounting, can John and his dad fix the problem in time... or will Robo Ren ruin his big chance?

Perfect for fans of Nate the Great, The Magic Treehouse, and the A to Z Mysteries series, this heartwarming family mystery is packed with creativity, teamwork, and a touch of tech trouble.

Books can be read in any order!