10 books
Everybody's Cyclopedia Volume 3; A Concise and Accurate Compilation of the World's Knowledge
Everybody's Cyclopedia Volume 2; A Concise and Accurate Compilation of the World's Knowledge
Everybody's Cyclopedia Volume 1; A Concise and Accurate Compilation of the World's Knowledge
Everybody's Cyclopedia Volume 4; A Concise and Accurate Compilation of the World's Knowledge
Everybody's Cyclopedia Volume 5; A Concise and Accurate Compilation of the World's Knowledge