<prompt> Translate the following text to EnglishMwaka 1998, haki za kuunda vitabu vya Agatha Christie zilipitishwa kwa kampuni ya Chorion, ambayo ilinunua hisa za 64 katika Agatha Christie Limited.  <response>: In 1998, the control of the rights to most of the literary works of Agatha Christie passed to the company Chorion, when it purchased a majority 64 share in Agatha Christie Limited. 