Japanese method of intellectual development. Improving memory for a month

Now to be smart fashionable, but often we do not remember all the information that fill our world. Forget interesting facts, formulas, languages and more. Everyone knows that in order to not lose their knowledge — the memory needs to be trained, and the book "Japanese method of development of intelligence" will help you with this! Inside you will find fun puzzles — Sudoku, riddles: nonograms, Kakuro, Hitori, necklace, hidoku that have become popular thanks to the Japanese. These puzzles help them to train memory, attention and improve cognitive abilities. Suggest you use the wisdom of the inhabitants of the land of the rising sun for 100 days to rejuvenate your brain.