Centre Page Map, Back side 
Back to index          Page 20          Page 21
Map               Front side of centre spread  
The centre pages in the original book were 4 pages between page 20 and 21.
The centre pull out was not numbered, nor were any of the adverts at the start and the end of the book. 

 

Back to index          Page 20          Page 21
Map               Front side of centre spread