Do you prefer audio or large print books?
Ulverscroft in the UK released Shadow Over Edmund Street in audio and large print on the 1st of January and so it's now available through libraries (CD, MP3 and library download via digital library app, uLIBRARY) and retail 3rd party suppliers - Audible, Bookbeat, Storytel and Findaway. Ulverscroft also supply direct to consumer via their Reading House website:
