Second Form at Malory Towers is the second book in the Malory Towers series. Darrell Rivers and her friends return, now a year older and ready to face the challenges of the second form. The focus shifts to dealing with new classmates, including the deceitful Erica and the sweet Mavis, and the increased responsibility that comes with seniority. The book continues to develop themes of loyalty, character reform, and the everyday excitement and drama of boarding school life, featuring more midnight feasts and school pranks.