boesak has written a book on his 30 years as an activist – "running with horses: reflections of an accidental politician" – which was published in late march 2009. boesak said that in his book he will explain why the banning of udf affiliates meant the money could not be accounted for. boesak declined to testify in his trial in 1999. he maintains that keeping this silence was one of the main reasons for his conviction.