Question: how much do isbns cost?
Answer: The going rate for a single ISBN costs $125, while 10 ISBNs cost $295, 100 ISBNs cost $575, and 1000 ISBNs cost $1500. Note that these prices are based on the price listings at Bowker for those living in the United States. For ISBNs purchased internationally, prices do vary (and are often cheaper).