- Title: Kodomo no Tomo (Friends for Children) - For Ages 4-5: Ari Ari Maa Maa - Author: Koichi Furuyama - Publisher: Fukuinkan Shoten - Price: 362 yen - ISBN: 1003733100329 ★ Available for immediate purchase No names written. Although checked by an amateur, I haven't found any writing or major folds. There is some yellowing and minor scratches due to aging, but the condition is relatively good.