Acting Harold Verwoert Acting Sint & Diego and the Magical Fountain of Myra Coole Piet Diego 2012 Sinterklaas: A December 5th Mystery Diego 2011 Sinterklaas: The Mystery Of The Presents Diego 2010 Sinterklaas: The Vanished Presents Boat Diego 2009 Sinterklaas: The Secret Of The Big Book Diego 2008 Other Credits Sinterklaas & Diego: Het Geheim van de Ring Writer 2014 Agent-readable