Kids' Magazines subscriptions from MagazineLine. Our Kids' Magazines category has some of the most popular magazine subscriptions sold by MagazineLine, including popular magazine titles like National Geographic Kids magazine, Girls' World magazine, Ranger Rick Jr. magazine and more! Detailed Searching Help (PDF) Account Management Help (PDF) Basic Tips and Examples — Keyword Search. Most likely, you'll want to use this simple search. About Mr Magazine. xtrmtracker.com is an online store front for Leone's Collectibles out of Rochester, NY. We feature products ranging from wrestling action figures, star wars statues, vintage toys, vintage magazines, puzzles, vintage records, comic books, autographed memorbilia, sports merchandise, trading cards, and much more.