 In 2010, Brooke relaunched Infinity Plus as an independent publishing imprint, publishing SF, fantasy, horror and crime fiction by Eric Brown, Kaitlin Queen, Molly Brown, John Grant, Anna Tambour, Garry Kilworth and others, including Brooke himself.Originally an ebook publisher, infinity plus began producing paperback editions in 2012.Also in 2010, Brooke completed his PhD at the University of Essex