Contrary to what I thought, it's not a book of anagrams games, or other hacker looking in the book but games to practice in other books that the child has already. The goal is to increase the playback speed to scan to abstract deciphering and sent directly to sens.Par example, we should not read the words that contain an acute accent. So we are obliged to anticipate. Or we cover the lower part of the letters, which requires different indices of syllables taken from the cutting to 2,3 or 4 letters. Frankly quickly effective. It's like the physiotherapist, we must make every day ...