walleye wrote:go through this free tsumego collection ten times http://tsumego.tasuki.org/cho-1-elementary.pdf
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I suspect most of the problems from "1001 Life & Death Problems" or "Get Strong at Tesuji" would be to difficult for him.
When I was at his level, I just got to problem 26 or 29 of the online collection and had to give up, because no solution was given. Shortly after that I started with "1001 L&D Problems" and since the solutions were given, I quickly learnt the basic techniques that are used to solve L&D problems. Just for fun I have worked through the online collection again, and it was quite easy, a few minutes for the first 60 or so problems.
Many of the problems of the online collection are the same as in "1001 L&D Problems", so I'd rather recommend the latter.