The Great Pursuit by Thom Sharpe

Another winner, this time squarely in the sights is the world of authorship, publishing -- and penmanship. All farce-y and crazy until the last 30 pages, when it takes on a new serious weight of its own and Sharpe pulls some Borges-ian tricks out.  Mirrors, copies of copies, posthumous pre-quel diaries by dead men.  Has to be read to be believed. Profoundly funny.