4. Compounds with 13 to 162 Carbon Atoms – $7,789.20
Yes, we know that this eBook is no longer available as an eBook, but the hardcover edition is still out there priced to almost $8k.
The book focuses on chemical compounds and the different bits of information about them which have material constants of general interest described in the Landolt- Börnstein / New Series.
It also has drawings of the chemical structure, the molecular formula, chemical names, the Chemical Abstracts registration numbers and references to Landolt- Börnstein citations.
Priced for over $6k the book is everything you need if you are into chemical stuff or you are a scientist. If you think about it, it has a pricy price for a textbook, right?