Hi Chick,
Yes. Hubby and I have been geocaching since May, 2008. Last Christmas I gave him a GPS. Some wonderful online GPS'er told my guy about geocaching. We've been having a ball ever since. As of today, we have 303 finds. We have hidden 5 caches ourselves; one of them is a puzzle, cachers have to solve before they can locate the co-ordinates of the hide. It is loads of fun. Geocaching is a worldwide treasure hunt. It gets you out and into parks and forestry and trails you otherwise would not
frequent. We love it when we go on vacation because we've seen areas ordinarily not explored. There are various internet sites where a person can get acquainted with the particulars of the sport.
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https://www.amazon.com/author/bonnie.mill-lemke
https://kdp.amazon.com/en_US/bookshelf