There are cases of eidetic memory but its very sparsely studied due to how rare the condition is and the lack of a formal definition. In any case, here’s a fairly convincing video of another girl reciting verbatim a random law textbook chosen by a subreddit moderator: https://www.youtube.com/watch?v=wSltXth9Tzs
The reddit thread is here: https://old.reddit.com/r/IAmA/comments/o1ghk/iama_person_with_perfect_recall_of_everything_i/