The Red Book is a substantial ledger bound in burgundy calf with marble endpapers and gold tooling on the inside borders of the covers. The ledger is manufactured by the leading publishers and stationers, Waterlow & Sons Limited. Their name and the title ‘Private Ledger’ appear on the spine. The lock is by the well-known makers Bramah of London and shows visible signs of having been broken open following the raid on Tyler Kent’s flat in May 1940. The folios consist of an alphabetical preliminary section followed by 193 double page spreads for double-entry book-keeping. The overall size of the ledger is 10 ¾ inches x 8 ¼ inches x 1½ inches and it weighs 5lbs pounds 7½ oz. The top edges of the spine are rubbed and bumped and the front and back covers are pitted and scarred.

Male members of the Right Club are listed on folios 1, 2 and 3. Female members are listed on folios 21 and 22. Names are accompanied by administrative details such as the amount and frequency of subscriptions and contributions, the status of members within the organisation (whether Warden or Steward). Members from Scotland are denoted by the letter ‘S’ in red. Two Americans have the letters ‘USA’ in red and one German a ‘G’ in red. Receipt of the Club Badge is confirmed by a tick, as is receipt of the Membership Card. Folio 181 contains a list of Stewards; Folio 185 contains a list of members who are MPs; Folio 187 contains a list of Speakers and Writers. There is an addendum in the form of a loose sheet of ledger paper on which there are three groups of names, headed YS, L1 and L2 respectively.