You can return surplus books from the textbook campaign, following the limitations and deadlines stipulated in your customer contract. 

Ship them prepaid and label the packages with your customer number and name to the following addresses: 

• If sending from the mainland, Balearic Islands, Ceuta, or Melilla: ÍTACA, S.L. – del Majuelo, 34. P. I. La Postura - 28343 Valdemoro (Madrid) 
• If sending from the Canary Islands: C/ El Procesador, 7 (P.I. Ajimar-Jinámar), 35220 – Telde (Las Palmas)