Hilary Johnson Authors’ Advisory Service WWW site, 5 Feb. 2009: authors (Gillian Philip, b. 1964 in Glasgow; studied politics & international relations at univ.; now lives in NE Scotland)
ContactAnAuthor WWW site, 5 Feb. 2009: author (Gillian Philip also writes as Gabriella Poole (for Hothouse Fiction Ltd.) also ghostwriter; specialises in young adult fiction & educational bks., crime, thrillers, sci-fi & fantasy)
Warriors, WWW site, Oct. 8, 2014 meet Erin Hunter (pseudonym of Kate Cary, Cherith Baldry, Victoria Holmes, Tui Sutherland, Gillian Philip, Inbali Iserles)