This last week I learned that Stephen Baxter did a collaborative book series with Terry Pratchett called The Long Earth, and it's exactly what you'd expect (wild, whimsical, deeply meta Twain and Verne inspired postmodern steampunk scifi adventure)
It's also available as audiobook
https://www.biblio.com/long-earth-by-terry-baxter-stephen-pratchett/work/113002