In this new illustrated middle-grade series from James Patterson an extraordinary robot signs up for an ordinary fifth grade class... and elementary school will never be the same! It was never easy for Sammy Hayes-Rodriguez to fit in so hes dreading the day when his genius mom insists he bring her newest invention to school: a walking talking robot he calls E - for Error. Sammys no stranger to robots - his house is full of a colourful cast of them. But this one not only thinks its Sammys brother... its actually even nerdier than Sammy. Will E be Sammys one-way ticket to Loserville? Or will he prove to the world that its cool to be square? Its a roller-coaster ride for Sammy to discover the amazing secret E holds that could change his family forever... if all goes well on the trial run!