I Repeat, Don't Cheat! by Margery Cuyler (author) (US edition)

Jessica’s friend copies her work and fibs to the teacher. What can you do if it happens to you? No worries: this smart and funny story will help you solve the problem. Jessica and Lizzie do everything together. But now Lizzie has started copying Jessica’s spelling tests. Then they join forces to write a poem for their homework, but Lizzie takes all the credit in class. Jessica has had enough. How can she show Lizzie how she feels without losing her friend? Simple text, great pictures and a handy message. This story scores on all fronts.