Dive summary:

• A man who has chosen to not be identified was searching though old books at the Recycling and Disposal Facility in Brookline, Mass. as he often does, when searching through interesting titles he came across a book that has been stripped of its pages but instead contained more than $20,000.
• The man believes that the book has been thrown out by mistake by a friend or family member who didn’t know about the contents of the book, he is asking for anyone who can describe the book and how much money was inside to contact him.
• If no one comes forward for the book he says he will probably give part of the money to charity, then keep the rest.

From the article:

He’s not a rich man. A Brazilian immigrant who has been in the US for 30 years, he remembers what it was like to live paycheck to paycheck, and as a family man with a child in college, he still has to watch his pennies.

One of his joys is stopping by the book exchange at the Recycling and Disposal Facility when he drops off trash for his Wellesley employer. He has built a sizeable collection of old National Geographic magazines that way, and he picks up other items that catch his eye, like a 1909 scrapbook full of charming cards and other mementos of the era. That’s what he was doing on Oct. 12 – Dumpster-diving near the book shelves. He checked out some children’s books, then picked up a bigger book and casually leafed through it. That’s when he spotted the cash. ...