Most researchers agree that when it comes to language learning, earlier is better. In fact, the "language learning window" opens up at 10 month and continues up to age 12. (although, the highest rate of language acquisition happens up to age 3  years).  That's why the products selected for inclusion at the International Children's Books store are aimed, specifically, toward  this group of children starting with  infants up to 12 years old young adults.