Stories of the World's Progress
Published by D. Lothrop & Co.
| 1. Myths and Heroes; or, The Childhood of the World | by Rev. Samuel Francis Smith |
| 2. Knights and Sea Kings; or, The Middle Ages | by Rev. Samuel Francis Smith |
Introduced as a two volume series by D. Lothrop & Co. in 1875.
Later these titles were all in the "Young Folk's Series"
It is unknown whether these two volumes have the same format as the books in the "Library of Adventure and Adventurers".