The Gum Race (Hardcover, Turtleback School & Library ed.)

Ella is so glad she has Ms. Timmons as a teacher, Ms. Timmons is so cool that she is going to let them chew gum in her class every Friday! That is, until Rob Taglieri decides to play a trick on Ella that gets that privilege revoked. Now the whole class is mad -- at Ella! So she decides to run for class president. But if Ella doesn't manage to bring Gum Fridays back, her new political career could be over before it begins...