10 May 2017 AD; Feast of St John of Avila 

Book 3 shows how to get the exact value of fine structure constant, α, and two formulas for it.  

Shows comparison with recent scientific findings.

Also, the links of the articles from researchers are posted. 

Some explanation of fine structure constant (from 2009):

Andrew Yanthar-Wasilik

Multiplication by Infinity blog - fine structure constant short explanation