Gadgets used by British spies in WWII: Collection of tools given to SOE agents by MI9 now for sale

Where can I find the Official History of the 23rd Headquarters Special Troops? I've been searching for it and can't find it. I need a first hand account of the Ghost Army

Gadgets used by British spies in WWII: Collection of tools given to SOE agents by MI9 now for sale

Secret weapons carried by WW2 spies including a garotte, dagger disguised as a badge and a poison key emerge after 70 years

Crafty Gadgets and Famous Spies of WWII

Q gadgets from WWII up for auction

Chilling 'James Bond style' gadgets used by British secret agents in World War Two emerge for sale

Q gadgets from WWII up for auction

Real spy gadgets - as cool as Bond's, British GQ

Special Operations Executive - Wikipedia