Question

what is writer's inspiration bureau? why was it organised?what was it's aim

Answer 1

it was an organization made by ghosts to help out writters who were not able to write horror stories. it was to help them (ghosts) keep busy.

Answer 2

The writer's inspiration bureau was the organisation of the ghosts(as per text) which was organised to keep the ghosts busy as for them was no work. its aim was to help people who needed ideas for writing stories.
hope it helps......