Tail's End Station, the home of Jack the Station Cat, is 100 years old. Mr Parker, the Station Master, is planning a special birthday celebration. The Gricer and his gang want to spoil the fun. Can Jack and his friends defeat the villains?

Six card railway tickets from the earliest days of Tail's End station are stolen. Jack the Station Cat and his friend Mr. J. Toddington Ramsbottom are in despair. Will Jack find the tickets? Do Harri P. and Overton, the otters, know anything? And what has Henry the Van got to do with it? Suitable for readers aged 7-9 years.