Divided into three skill levels (Keen, Sharp and Masterful), this title features 100 colourful images that challenge solvers to find five, six or seven differences between two trickily similar photographs.
ThriftBooks sells millions of used books at the lowest everyday prices. We personally assess every book's quality and offer rare, out-of-print treasures. We deliver the joy of reading in recyclable packaging with free standard shipping on US orders over $20. ThriftBooks.com. Read more. Spend less.