At 75, I have been trying to be a fruitarian for the last 40 years. I am still trying. During nine years, 1974 to 1983, I was able to maintain a 100% strict raw vegan diet - but not for longer.

My most recent attempt started two months ago today, and is still going strong: I am doing 100% strict LFRV, based mostly on fruit, with little in the way of greens so far.
 
I have accumulated a lot of experience over the years, both of my own efforts and those of others, so maybe I have some useful id...

Diet Books

After 40 years of being a would-be fruitarian, what are the diet books that remain in my memory?
Reading Morris Krok's "Fruit the Food and Medicine for Man" was probably the most influential event in my life. This occurred in January, 1971, when the planets Mars and Jupiter  happened to meet at a point within one tenth of a degree of my natal Mars! While at the same moment Neptune was less than one degree away. This was on the 25th. Exactly 4 days after my first steps on this path ...

2. What I've learnt?

Some possibly but probably not facts:

1. Symbiotic bacteria can provide protein and unknown and ununderstood ingredients - as nothing much is known about the range of such bacteria, all of our 'knowledge' about diet is pretty much cocked up.
A New Guinea study called humans 'walking beanstalks' (excreted more protein than they ate).

2. I've seen some people doing a change to fruit with staggering ease, and others who could not even give up meat and fish without becoming...