Father and Son devotional recommendation

A friend of mine is planning to climb Mount Kilimanjaro next month with his 13-year-old son and is looking for a good devotional or study that they can use together that will last the 30 days of his trip. Ideally he would like to use something that has a theme of journey or exploration. Does anyone have any recommendations?
I'm thinking that the timing of this post is appropriate since today is Father's Day. What a great way to create amazing memories - an example to every father. I'm especially impressed that my friend is doing this with his son since they lost their wife/mother to cancer a few years ago.
Using adventure and community to challenge young people to continually say "yes" to God
Comments
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That's really inspiring. [Y]
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Tried this search on Vyrso, but getting too many false positives. Happy father's day Bruce.
Mission: To serve God as He desires.
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Forgot the link. https://vyrso.com/products/search?q=devotional+AND+father
Mission: To serve God as He desires.
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