Following the leak of a spreadsheet containing Labour MPs sorted into categories based on their hostility, documents have begun slipping from Jeremy Corbyn's office and into the public eye.
On Wednesday another piece of paper was found in a parliamentary tea room which featured notes on those in "Team Hostile", complete with nicknames for each one.
HuffPost UK has now gained exclusive access to an entire book originating from the Labour leader's office and can reveal some of the contents.