As of today, Archinald Henderson’s biography, Mark Twain, is available in an audio recording at:
https://archive.org/details/marktwain_1802_librivox

(The “1802” in the link apparently stands for Feb. 2018)

My next audio project is recording ABP’s biography !!!

:-)
-j


John Greenman
207-974-9911
My recordings:
http://archive.org/search.php?query=(read%20by%20John%20Greenman)%20AND%20mediatype:(Audio)&sort=-downloads