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Der Mond, a mostly-Evangelion art book by Yoshiyuki Sadamoto, Eva's character designer. His artwork is stunning, and it's a very nice book. Second to that are my super-deformed Rei and Asuka stuffed figures, because their just so cute.
And that's actually all I have, extra-wise, though I intend to get more Evangelion stuff: OSTs, posters, and wall scrolls mainly, though I'd like to start collecting Evangelion garage kits as well.
EDIT: Accidentally copied the title, not the link. Fix'd.
here’s the link if anyone’s interested https://www.amazon.com/dp/1421507676/ref=cm_sw_r_cp_api_i_I26xFbQBVAG39
Might still find a copy here and there.
This is available for purchase in many places online:
Barnes and Noble
Just pick the subjects you're most interested in, and buy the most beautiful books you can find on them. Depending on how open you are about your interests (say, some are too nerdy for regular people?), this can really be anything. I mean, I would proudly display this, had I a coffee table on which to display it, but were I more shy about my anime interests then I would probably go more towards this or this.
Really, all I can say is look for books that represent you. Unless you're hoping for one-night-stands, in which case look for books that represent the you you want other people to see. Even for that I wouldn't know what to suggest, you're being rather vague.