Has anyone ever written a book about Shep or made mention of him?

Several books have been confirmed while others are still rumored. Below is a listing of confirmed books.
 

"Excelsior You Fathead"
The Art and Enigma of Jean Shepherd
2005

by Eugene Bergmann

"Something In The Air"
Radio, Rock, and the Revolution
That Shaped a Generation

by Marc Fisher

"iPod & iTunes Garage"
2004

by Kirk McElhearn

"Seriously Funny"
The Rebel Commedians of the 1950's and 1960's

Chapter: "Out of This Air"

by Gerald Nachman

"The Airwaves of New York"
Illustrative Histories of 156 AM Stations in the Metropolitan Area, 1921-1996
by Bill Jaker, Frank Sulek, and Peter Kanze
1998

"The Stars of Stand Up Comedy"
by John Lande Smith
1986

"Understanding Media"
 by Marshall McLuhan
1964

"Explorations in Communication"
 edited by Marshall McLuhan
1960

"The Great American Newspaper"
 the rise and fall od the Village Voice
by Kevin Michael McAuliffe
1978

"Long John Nebel"
Radio Talk King, Master Salesman, Magnificent Charlatan
by Donald Bain
1974