In the sixth illustration of Steamroller, a blue car with the license plate "JTK 62" can be seen. This references both the initials of the illustrator, John T. Kenney, and the year in which the book was published, 1962.
In the sixth illustration of Steamroller, a blue car with the license plate "JTK 62" can be seen. This references both the initials of the illustrator, John T. Kenney, and the year in which the book was published, 1962.