Biden's Book Deal
Biden’s previous literary adventures hadn’t exactly set the publishing world on fire. On taking office, Random House had paid him a $9,563 advance to record an audio version of Promises to Keep. The campaign book sold some 49,000 copies and netted under $200 in royalties in 2009.
No, there are no missing zeroes there.
https://canadafreepress.com/article/how-biden-went-from-947k-to-millions