The manuals are at the top of the reference category; only the encyclopediae are larger. The product contain at least 6 distinct chapters. The manual, shown above, is an example:
Contents
1. Texts:
-Continuum Mechanics
-Fluid Mechanics
-Celestial Mechanics
-Quantum Mechanics
2. Handbook
3. Micropedia
4. Journal
5. Supplements
6. Library
The 'mini manuals' are far smaller derivatives, each consisting of 3 small text books, glossary, handbooks, and journals dispersed throughout the book. The mini manual Beyond Small Cities contains three chapters, each containing a glossaries and journals throughout the book.
