Can I change the language of my subscription in order to add the Book bundles to my subscription?

Yes. You can update your subscription language by logging in to your Lovevery account. Your subscription language selection affects all written material included in your Play Kits. That means, if you change your language to English in order to add the Book Bundles in English to your subscription, you will receive the following in English, as well: Play Guides, Play Kit books and Book Bundles, any language that may appear on playthings.