ATD 219-242
Page 222
The Number 22
I found it interesting that the significance of the number 22 was first brought up on page 222. might be nothing, really.
Page 236
The Gentleman Bomber of Headingly
Reminds me of the Krikkit Robots in Douglas Adams' Life, The Universe, and Everything, where a bomb is put in place of a Cricket Ball at a match between Britain and Australia.