Prime Book Box is a return to Amazon's roots

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Amazon is adding yet another Prime service for subscribers, and this time it's all centered around getting kids to read more. Dubbed Prime Book Box, this monthly subscription will send a box to your door with age-appropriate books for your child, as curated by Amazon's staff. Prime Book Box is scheduled to launch later this year, but interested Prime subscribers can sign up for an invite starting today.

The announcement of Prime Book Box is interesting, because in a way, it brings Amazon back to its roots as a physical book seller. Amazon's focus in recent years has been on eBooks that are purchased and read through its Kindle platform, so to see it launch Prime Book Box will be a refreshing call back to its early days in the late 1990s.

In any case, Prime Book Box is different from some other Prime services in that it costs an additional fee. For $22.99 per box, Amazon will send you a Prime Book Box every month, two months, or three months. The company claims that parents can save up to 35% off list price, which definitely isn't a bad sell.

What actually comes in Prime Book Box depends on the age range you're buying for. For boxes put together for babies through kids who are two years old, you'll receive four board books in each box, while children over three will receive two hardcover books. Those can be picture books or novels depending on the age range you've selected, which breaks down to children ages 3-5, 6-8, and 9-12.

Though Amazon editors curate the books that will ship in each box, parents do have the option of swapping out Amazon's selections with others of their choosing. More information about Prime Book Box and how Amazon determines which books you receive can be found in Amazon's FAQ. You can request an invite to join Prime Book Box over on Amazon, and though the company hasn't announced when it will roll out to all Prime users, we can expect an official launch later this year.