At just over $18.4 million, a used French copy of an 89-page book titled "," 鈥 that is, "Zen for Cats" 鈥 tops Amazon's list of its most expensive books. Written by Riku Kanmei and translated by Alfred Birnbaum, this book shouldn't be confused with humorist Henry Beard's 1997, book of the same title, .
