Ellen Alderton, writing as Caroline Alethia, is a professional writer whose work has appeared in newspapers, magazines, on radio and in web outlets. She has worked as a technical writer for the United Nations, a journalist covering European Union business policy in Brussels, and an executive producer of national, Spanish-language educational radio programs. She has edited numerous international publications and has taught business communications at the college level. Her words have reached audiences on six continents. She lived in Bolivia and was a witness to many of the events described in Plant Teacher.