This is a very useful book that is really needed. It brings together a wide ranging and comprehensive set of theoretical ideas, as well as practical considerations in relation to supervision.
Wendy Wood … knowledge shines from every page in this well researched, lively and engaging book.
Maureen Perkins Creaner is hugely well read in the field and does a great service for over-busy supervisors and supervisees alike by reporting succinctly on findings from decades of supervision research and by selecting significant quotations and criticisms from key authors. Use this book unashamedly if you want to dig into the hard intellectual terrain of supervision without having to plough through dozens of theoretical papers. In this respect the subtitle is very apt. As a guide, Creaner is adriot and discerning. The map she has drawn of the complex landscape of supervision offers an intelligibly detailed overview and she provides plenty of signposts for further exploration. She even points supervisees to training courses in supervision. That′s lifelong learning for you. 
Jim Holloway, senior accredited supervisor and independent therapist