An Introduction to Escapology
Written by The Great Williamson and an indispensible companion to those whose work regularly takes them into hard-to-get-out-of places. Particularly useful to the sort of travelling witch doing the tough circuit down in parts of the plains with a no-nonsense old-time attitude to religious tolerance. For the ability to swim thirty yards underwater with your clothes on followed by breathing through a reed for several hours is as nought if you can't untie the ropes as well.