An excellent text from a highly experienced leader of guided meditations.
This covers a range of pathworkings, however if, like the last reviewer you seek a text solely focussed on the tree the "The Shining Paths" The Shining Paths: An Experience in Vision of the 32 Paths of the Tree of Life by the same author might be more suited to your needs. If your main focus is the tarot trumps as images leading to the paths then the slightly more basic 'Inner Landscapes' by the author would suffice. Ashcroft-Nowicki's 'Inner Landscapes' is perhaps the best for initial work and for unique insight into Tarot, and her 'The Shining Paths' for gaining exceptional experience and insight into pathworkings on the Tree of Life. 'The Initiate's Book of Pathworkings' as its name suggests adds additional information and guidance aimed at opening up a range of possible pathworkings for those already working at and beyond the initial level.
The Initiates Book is excelent in offering an extension to core pathwork and offers quick entry to a range of Imagery Traditions and Paths otherwise closed to many. Highly recommended reading offering a practical basis on which to develop your work. The other texts I'd highly recommend to anyone with an interest in Pathworking. Ms Ashcroft-Nowicki's writings offer valuable direct guidance to work often only dealt with indirectly in other texts. Can't recommend her work to prospective readers highly enough.