A nice touch is the illustrated endpapers that hint at the story.
Vintage 1930 Big Box Dot to Dot Drawing Books 10 Set Platt & Munk No 161 MCMXL
A nice touch in this novel is the way it trusts the reader to connect dots.
1930 Documents and Readings in American Government John Mathews Clarence Berdahl
This activity book turns math practice into a game of matching and guessing.
