It’s stories like this one that truly restore our faith in humanity.

A Massachusetts man was shopping at a used book-swap in Wellesley, Mass. last month when he discovered a book with $20,000 hidden in its pages, CBS Boston reports. Rather than keep the cash for himself, the man is now trying to locate the money’s rightful owner.

“The first thing I was thinking was, ‘let me see if I can find a name in this book, then I can give back the money,’” the man told CBS Boston. “But unfortunately, I looked and could not find anything.”

Since he has chosen to keep his identity a secret, the man is asking anyone with any information on the book to email him at Ipatimga2005@comcast.net. If he can’t find the book’s previous owner, he plans to donate some of the money to charity and keep the rest for himself.

Quick Poll

What would you do if you found $20,000 in a used book?

VOTE

The Massachusetts man isn’t the first person to make a startling discovery in a used book. In October, an Indiana librarian found a gun stashed inside a hollowed-out book that was donated to her library.

Large sums of cash seem to get lost more often than one might think.

In October, a Las Vegas cab driver found a black laptop case stuffed with $221,510, the Las Vegas Review-Journal reported. After returning the cash to the person who had won the money at a casino earlier, the cab driver was rewarded with a $2,000 tip.

And our list of lucky finds doesn't stop there. In May, an unemployed man found an original Picasso poster at a thrift shop and later sold the piece of artwork for $7,000. Last summer, an unemployed man discovered $150,000 in a duffle bag stashed in his backyard. He spent $10 of the money on cigarettes, and then returned the rest to the police.

(h/t Consumerist)

WATCH:

Also on HuffPost:

Loading Slideshow...
  • Whiskey Discovered Under Floorboards

    Bryan Fite, a Missouri resident, uncovered a hidden stash of <a href="http://www.huffingtonpost.com/2012/07/06/bryan-fite-whiskey-bottles-attic_n_1653864.html" target="_hplink">century-old whiskey</a> bottles underneath the floorboards in his attic. Rare bottles of whiskey have <a href="http://online.wsj.com/article/SB10001424052970204452104577059792477936510.html" target="_hplink">sold</a> for as much as $200,000.

  • Gold Ingots Found In Bush

    Gardeners stumbled across a number of unmarked gold bars, known as "ingots," under a bush while cutting grass in the Swiss of town of Klingnau near the German border. The 10 bars are worth an <a href="http://www.huffingtonpost.com/2012/07/13/swiss-gardeners-gold-ingots_n_1671689.html" target="_hplink">estimated</a> $126,000.

  • Wedding Ring Found In Newly Purchased Car

    A Sacramento couple <a href="http://www.huffingtonpost.com/2012/06/19/wedding-ring-found-in-car_n_1609671.html" target="_hplink">found a 1961 wedding ring</a> between the seats of a car they had just purchased a few months earlier.

  • Meteorite Found In Park

    A California mom <a href="http://www.huffingtonpost.com/2012/05/03/brenda-salveson-meteorite_n_1473973.html" target="_hplink">found a meteorite worth </a>more than gold at a local park where she frequently brings her dog and kids.

  • Original Picasso Print Found In Thrift Store

    An unemployed man <a href="http://www.huffingtonpost.com/2012/05/10/zachary-bodish-picasso-print-sold_n_1506836.html" target="_hplink">sold an original Picasso print</a> that he found in a thrift store for $7,000.

  • $150,000 Discovered In Backyard

    An unemployed Illinois man <a href="http://www.huffingtonpost.com/2011/08/31/unemployed-illinois-man-f_n_943167.html" target="_hplink">found duffle bags full of cash </a>totaling $150,000 in his backyard.

  • Engagement Ring Fished Out Of Toilet

    A man got down on his knees for a second time after he found his <a href="http://news.yahoo.com/couple-finds-engagement-ring-toilet-36-years-154700561.html" target="_hplink">wife's engagement ring</a> in a toilet 36 years after she had lost it.

  • $40,000 In Cash Found In Attic

    After a family in Salt Lake City found <a href="http://www.huffingtonpost.com/2011/05/20/family-finds_n_864725.html" target="_hplink">$40,000 in cash </a>in the attic of their recently-purchased home, they returned the money to its rightful owner.

  • Diamond Ring Recovered From Sewer

    A worker in Idaho returned a diamond ring to its rightful owner after finding the treasure <a href="http://www.huffingtonpost.com/2012/04/13/idaho-woman-mechelle-reig_n_1422529.html" target="_hplink">in a sewer</a>. The owner thought she had lost it forever when she accidentally flushed it down the toilet.

  • Salvador Dali Etching Found At Goodwill

    Federal Way Quality Control Officer Shea Munroe stumbled upon an <a href="http://www.huffingtonpost.com/2012/11/20/salvador-dali-etching-fou_n_2164427.html" target="_hplink">etching by famed surrealist painter Salvador Dali at a Goodwill</a> in Tacoma, Wash. The thrift store find would go on to sell for $21,005 in an online auction.

  • $11,000 Found In A Purse At Marshalls

    Cheryl Gavazzi was shopping at Marshalls in Beverly, Mass. when a purse caught her eye. But what was inside the purse -- <a href="http://www.huffingtonpost.com/2012/11/20/cheryl-gavazzi-returns-cash-found-in-handbag_n_2164579.html?utm_hp_ref=money" target="_hplink">$11,000 in cash</a> -- is what really got her attention. She would hand over the bag to the police, who found the original owner who said the money was being used to build a church in Guatemala.

  • Book With $20,000 Hidden In The Pages

    How's this for a page turner: A Wellesley, Mass. man found $20,000 in cash hidden in the pages of a book he discovered at a used book-swap. The man has asked to remain anonymous but said anyone with info on the books rightful owner could contact him at <a href="Ipatimga2005@comcast.net" target="_hplink">Ipatimga2005@comcast.net</a>.

  • 8 Year Old Finds $63,000 Whale Vomit

    An 8-year-old boy named Charlie Naysmith made a strange -- and pricey -- discovery when walking along the Hengistbury Head beach in Great Britain. Thinking he'd stumbled upon a yellow rock, <a href="http://www.huffingtonpost.com/2012/08/28/charlie-naysmith-whale-vomit_n_1837241.html" target="_hplink">Naysmith had actually found ambergris</a>, a substance barfed or pooped up by sperm whales. The piece is estimated to be worth upwards of $63,000.

  • A Treasure Trove Of Baseball Cards In An Ohio Attic

    Karl Kissner of Toledo, Ohio found a <a href="http://www.huffingtonpost.com/2012/08/02/honus-wagner-ty-cobb-baseball-cards_n_1735636.html" target="_hplink">collection of baseball cards in his grandfather's attic</a> that fetched a tremendous sum. The 37 baseball cards featuring the likes of Hall of Famers Ty Cobb, Cy Young and Honus Wagner fetched $566,132 during bidding.