D H TimpkoD. H. Timpko is the author of science fiction novels for children and young adults. She has written two published novels in the Firma Twins series, "The Firma Twins and the Purple Staff of Death" and "The Firma Twins and the Flute of Enchantment," abut identical twins who are part alien and have inherited alien powers. She has also written two books in the Mariah Rhodes series, "Mariah Rhodes: Escape to Space," and "Mariah Rhodes: Surviving the Danger Planet," about a girl who is telekinetic. As Alexis Dupree she writes nonfiction medical advice from a patient's point of view. She is a retired journalist, lead technical writer, and editor. Read More Read Less