The HDT: Healing Developmental Trauma: How Early Trauma Affects Self-regulation, Self-image, and the Capacity for Relationship book is available in Spanish FWIW
https://www.amazon.es/trauma-desarrollo-m%C3%A9todo-Relacional-Neuroafectivo/dp/8494733567/ref=sr_1_1/261-6607814-5354706?ie=UTF8&qid=1521480636&sr=8-1&keywords=curar+el+trauma+del+desarrollo
P.S: If you are not aware of the importance of this book you'd better follow the discussion thread: https://cassiopaea.org/forum/index.php/topic,45330.0.html
https://www.amazon.es/trauma-desarrollo-m%C3%A9todo-Relacional-Neuroafectivo/dp/8494733567/ref=sr_1_1/261-6607814-5354706?ie=UTF8&qid=1521480636&sr=8-1&keywords=curar+el+trauma+del+desarrollo
P.S: If you are not aware of the importance of this book you'd better follow the discussion thread: https://cassiopaea.org/forum/index.php/topic,45330.0.html