You can download An Aid to the MRCP PACES 4th Edition (2 Volume Set) (Stations 1 and 3 & Stations 2 and 4) by Robert E. J. Ryder , M. Afzal Mir , E. Anne Freeman free in pdf format.
About Book
The hundreds of cases have been written in accordance with the latest examining and marking schemes used for the exam and, together with exam hints, tips, routines and clinical checklists, provide an invaluable training and revision aid for all MRCP PACES candidates.