Wiley IEEE Press has now published the Second Edition of Magnetic Actuators and Sensors by John R. Brauer, copyright 2014. It is about 25 percent larger than the first edition (2006). Besides many updates and clarifications, it has new sections on topics including:
Mechatronics, analogous circuits, Halbach magnets, magnetic volume forces, magnetic bearings, magnetic separators, saturable magnetic infusion and effusion, encoders, current sensors, GMR spin valve sensors, Chattock coils, SQUID magnetometers, actuator systems for 2D planar motion, actuator design optimization, and digital hydraulic valves.
For more information see http://amazon.com/books or http://wiley.com .