Diptych/Diptico is the first English-Spanish bilingual book of poems by prize-winning poet Gilbert Luis R. Centina III. It features original artwork by Basque multimedia artist Vicente Jauregui Presa and by Louella Centina Garnado. Spanish avant-garde poet Antonio Aguirre introduces the collection. Writing the prologue and the epilogue, respectively, are Spanish author Josemaria Alonso Alonso de Linaje and Spanish editor and educator Ana Maria Romo de Miguel.