Published by Catalog House Eki-ken-san, January 2025 - June 2025 (6-book set) Price: 120 yen per book Page count: 83 pages each. In addition to articles edited under the theme of "Nourishing Health Through Food and Laughter," the books also feature brain-training problems such as Sudoku and puzzles, as well as manga. These booklets are enclosed with the monthly subscription. They have been read only once, and the brain-training puzzles have not been solved. Thank you for looking.