Fry has been the reader for the British versions of all of J. K. Rowling's "Harry Potter" series of audiobooks. He discussed this project in an interview with Rowling in 2005. He has also read for Douglas Adams' "The Hitchhiker's Guide to the Galaxy" film tie-in edition and has made recordings of his own books, such as "The Stars' Tennis Balls" and "Moab Is My Washpot", and of works by Roald Dahl, Michael Bond, A. A. Milne, Anthony Buckeridge, Eleanor Updale, and Alexander Pushkin. In June 2015, Fry backed children's fairy tale app GivingTales in aid of UNICEF together with other British celebrities Sir Roger Moore, Ewan McGregor, Dame Joan Collins, Joanna Lumley, Michael Caine, David Walliams, Charlotte Rampling, Paul McKenna and Michael Ball.