Marc Brown's Arthur: Books 3 and 4
Arthur Makes the Team; Arthur and the Crunch Cereal Contest

#3 - Arthur Makes the Team – It feels as if it'll be a long season for Arthur as he struggles to sharpen his baseball skills and ends up learning an important lesson about teamwork.

#4 - Arthur and the Crunch Cereal Contest – There's a year's worth of Crunch Cereal on the line...and it'll be awarded to the composer of the best jingle. Arthur is so determined to win, he almost forgets about fairness.