IANAL, but written materials about sexual abuse don't seem to be illegal in the US. For recent-ish publications, see My Dark Vanessa by Russell and Tampa by Nut

IANAL, but written materials about sexual abuse don't seem to be illegal in the US. For recent-ish publications, see My Dark Vanessa by Russell and Tampa by Nutting. (I liked the former which took a thoughtful approach whereas I didn't finish the latter because it just felt like erotica for pedophiles which isn't what I was looking for.)