This is the fifteenth Gumdrop story by the author. It's Gumdrop's 60th birthday and Mr Josiah Oldcastle plans to take him to a special vintage car rally. There is trouble ahead though as they find themselves chasing some crooks and Gumdrop launches into an exiting rescue attempt.
Val Biro (pronounced Beer-oh) was a children's author, artist and illustrator, was a native of Hungary, but was a resident in Sussex in England. He received his education in Budapest and London. His studio was located in Amersham in Buckinghamshire.
"I write so as to give my alter-ego a good chance for drawing pictures, though I find that the story I invent tends to run away with itself, leaving me, the illustrator, behind! Each story tends to be based on personal experience and, equally, each tends to grow out of that into the imagination. Each book seems to take a few months to gestate, and then I write it in one long day (or night)."