sarah weinman, what is "wild"? >> guest: a really amazing memoir by a woman who had previously written a novel called "torch. toy toy and she disguised in retrospect how in her mid-20s, after a failed marriage and herma had died, there had been in drug issues, she decided, on essentially a whim, she would walk the pacific coast trail, which is well over a thousand miles, and she did so with minimal preparations and she described essentially how doing this long distance walk broke her apart and put her back together again. the big reason why the book was on the bestseller list for so long, even though there had been a great deal of -- i read it before publication, and certainly understood all the advance hype -- is that oprah win free started her new book club. she has the oprah winfrey network, and the magazine, so when she chose it as the first selection of her reconstituted book club, it still led to a great uptick in sales and mend -- meant that her other books, a book of advice columns, were re-issued and sold