Manga-news.com's list of unmissable seinen. The order is alphabetical.
List of completed and ongoing manga and light novels that are licensed in English (it can cover US and UK).
Growing the more I read, will update as I go.
Manga that's actually age-appropriate for children 9-12. In other words, manga that aren't inappropriate for my little sisters to read in my attempt to convert them into weeaboos.