Kosher-friendly book suggestions for middle schoolers?

I work in a library with orthodox patrons that regularly visit, and want to make a good list of books that are adventurous.

Any suggestions?

Example of a good one:

Young Captain Nemo by Jason Henderson

A 7th grader is the descendant of the famous Captain Nemo, and he works with his friends Peter and Misty to save sinking ships, face against mutant sea creatures, and more while avoiding the Navy as well as Peter and Misty’s parents