Oxford Voltaire Foundation for Enlightenment Studies
https://www.voltaire.ox.ac.uk/about-voltaires-writings/
This website contains a host of resources about Voltaire's life and works.
Five Books – Voltaire
https://fivebooks.com/best-books/voltaire-nicholas-cronk/
This in-depth interview contains a variety of interesting facts and recommendations for further reading about Voltaire.
George Bernard Shaw - The Adventures of the Black Girl in Her Search for God
https://archive.org/details/in.ernet.dli.2015.219444/page/n6/mode/1up
This book is one of the more interesting spin-offs based on Candide, recreating Voltaire's winning formula using the perspective and experiences...