Don't expect any plot here... this book is pretty much a random collection of dot-to-dot puzzles!
This gentleman is Hoodoo, the magician, played by Charles Nelson Reilly, if I recall correctly. The kid was played by Butch Patrick (yes, Eddie Munster himself), by the way.
Here, this may start making a little more sense if you watch the intro:
Random Panel of the Day #771
24 minutes ago