Two oft-cited but hard to find photobooth art books are currently listed on eBay. The first is photo-booth, a zine-like photobooth pic book by Billy Childish (prolific rocker, poet, artist, author). It purports to be the artist’s personal copy, but my guess is that it probably isn’t Billy’s personal copy, rather one of a small number of Artist’s Proofs that were printed. Rare, nonetheless.
The second book, Andy Warhol Photobooth Pictures, is the exhibition catalog from the 1989 Andy Warhol photobooth exhibit at the Robert Miller Gallery in New York. I have never seen this book in person, but occasionally see it listed in online bookstores. It never lists for less than $250. Perhaps this is a chance to get it for cheap.