Another pretty much surefire method for Smallies in July - which will also keep your son engaged is to paddle the shoreline, just on the edge of dark water, and troll a buzzbait behind the canoe. Slow walking pace is about the right speed.
1. He gets to observe the very different shorelines around our BWCA lakes - including looking into the water for structure and sunken trees and....
2. Smallies just slam into Buzzbaits at dusk and dawn when trolled this way in July and August.
= Exciting times for kids.
Can work on Walleyes too!