We now come to a small booklet by E. S. Wentzel titled Probability Theory (first steps).
The back cover of the book says:
The author of this booklet describes in popular language how probability theory was developed and found wide application in all fields of modern science. This book can be considered as an introduction towards a more thorough study of probability theory and is intended for a wide circle of readers.
This book has a translation in Tamil titled நிகழ் தகவுக் கோட்பாடு
(தொடக்கப் படிகள்) thanks to Senthil for helping with this. I do not know about translations in other Indian languages
Many thanks to Al-Kap-Ro () for making this book available.
The book was translated from the Russian by N. Deineko and was first published by Mir in 1982, followed by a second print in 1986.
You can get the book here.
Contents are as under
Probability Theory and Its Problems 6
Probability and Frequency 24
Basic Rules of Probability Theory 40
Random Variables 57