The book Who on Earth is the Holy Spirit? which I co-wrote with Christopher de la Hoyde is now available in Spanish. It’s available from the following websites:
https://www.thegoodbook.co.uk/qca-who-on-earth-is-the-holy-spirit-spanish
OR
https://www.portavoz.com/vida-cristiana/y-quien-es-el-espiritu-santo/
Tim Chester 