They each have 24 pages (apart from the last one which has 20) with an engraved front cover.
1927 Southern Havant to Guildford Railway Station Railway Excursion X Ticket
[7] Tomytec 1/150 Railway Collection Series 7 Oigawa Railway Moha 1001 (Single I
1920s 1930s LNER Railway Excursion Timetable x4 Ref D
7. X. Railway. TICKETS. (. 7. X. Hull. Tickets. HU-1. )
7. X. Railway. TICKETS. (. 7. X. Hull. Tickets. HU-4. )
1933 Southern Railway Excursion Ticket Booklet – Folkestone to Boulogne