Paperback Paradise touts itself as the world's #1 used book store, and after perusing a few of its titles, you'll likely agree. The site, which started in early March, takes your favorite '90s kid's books and updates them for your adult life.

The results will straight-up ruin your childhood. From Francine Pascal's beloved Sweet Valley Twins series to Nancy Drew's mysteries, no novel is safe from Paperback Paradise's dirty mind. See for yourself:

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H/T BuzzFeed