Armadillo is a web-based magazine founded by Mary Hoffman and managed by her daughter Rhiannon Lassiter. The current editor is Louise Ellis-Barrett, the web editor is Andrea Rayner. Linda Newbery edits the Teen Reviews page and Adele Geras is the resident poetry reviewer. Its purpose is to promote children's books through reviews and articles, many of which are written by significant children's authors such as Linda Newbery, Adele Geras and Celia Rees, as well as Hoffman herself. Reviewers include children's librarians and many people who have experience in the publishing world. The magazine has grown in recent years to include event repors, special features and competitions, generously supported by publishers.