Offers Persis
Popular Science Maths, popular Mathematics y sports, Hobbies & Games All these have in common their manufacturer, Persis, top in the market.
Despite having numerous products, market leaders, Persis has focused a lot on the books category where it becomes a reference for other companies.
There are other brands similar to Persis who also sell popular Science Maths products are for example ETH or Procter, while others that sell sports, Hobbies & Games are K2 or Mars Gaming.