There are 11 editions of Pepys' Speed card game: 1st 2nd 3rd 5th 6th 7th 8th 10th 12th 14th 15th . There is no 4th 9th 11th or 13th edition.

Speed Card Game 5th Edition, Pepys Series First Published: 1954, Pepys Series by Castell Brothers Ltd., St. Cross Street, London

Skid-o, A Realistic Speedway Card Game (AKA SKIDO and SKID-O) First Published: 1951,