A very effective method

Hello, for petre able to decipher and then read and understand what you read, you have apprendr eà recognize each letter, each syllable. This method, although very old, is methodical and logical. My son is 3 and a half and starts already read it in with ease. I prefer this method to the so-called global methods or are a mix of global and vigils methods (which I do not find it efficient).