On Chapter 4 of The Golden Compass, by Philip Pullman: The Alethiometer.
Recommended Reading:
The Golden Compass Chapter 4: The Alethiometer
The Marriage of Heaven and Hell, by William Blake
http://www.blakearchive.org/copy/mhh.d?descId=mhh.d.illbk.01
Pullman's illustrations for the chapter headings
http://www.philip-pullman.com/Illustrations.php#
