Things to Learn - 1923 Style (Fun for Parent and Child)
This is the culmination of scouring several books of the one series of 'encyclopedias' entitled the "Book of Knowledge". The reason this is interesting is that it was simultaneously published in the United States and Canada. In the publishing world, especially educational material, this is rare at best. And to top it off the introduction is from the then Education Minister of Ontario, H.J. Cody.