My books happen. They tend to blast in from nowhere, seize...

My books happen. They tend to blast in from nowhere, seize me by the throat, and howl 'Write me! Write me now!' But they rarely stand still long enough for me to see what and who they are, before they hurtle away again. And so I spend a lot of time running after them, like a thrown rider after an escaped horse, saying 'Wait for me! Wait for me!' and waving my notebook in the air.