window.productTagsというオブジェクトからも拾える。商品にタグ付けする機能で使ってるみたいだ。
productTags: { asin: "4873112028", image: "http://ec2.images-amazon.com/images/I/51FHW5B8GQL._SL75_PIsitb-sticker-arrow-st,TopRight,8,-14_OU09_.jpg", title: "Perl\u30AF\u30C3\u30AF\u30D6\u30C3\u30AF\u3008VOLUME1\u3009", authors: [ "\u30C8\u30E0 \u30AF\u30EA\u30B9\u30C1\u30E3\u30F3\u30BB\u30F3", "\u30CD\u30A4\u30B6\u30F3 \u30C8\u30FC\u30AD\u30F3\u30C8\u30F3", "Tom Christiansen", "Nathan Torkington", "Shibuya Perl Mongers", "\u30C9\u30AD\u30E5\u30E1\u30F3\u30C8\u30B7\u30B9\u30C6\u30E0" ], appID: "retail", popupTitle: "\u30BF\u30B0\u306E\u8FFD\u52A0\u3001\u7DE8\u96C6", onTagAdded: (function () { a.apply(b, arguments); }), onTagRemoved: (void 0), onTagRenamed: (void 0), onTagReplaced: (void 0), popupOnCloseListeners: [], tags:[], suggestBox: { inputId: "4873112028-tag-input", container: { firstText: (void 0), suggestionsByKey: {}, suggestionsByPopularity: [] }, onEnter: (function (c) { b.startTagProduct(c, TaggingOptions.tagObjectUrl); }), onDone: (function (e, d, c) { e.hide();c.focus();c.focus(); }), suggestionUrl: "/gp/tagging/actions/suggest/ref=tag_dpp_yt_ehdl_s/378-3748724-6591131", appID: "retail", data: [], selectedRow: -1, key: "", alignLeft: true, allowEnter: false, inputBox: {} }, useShortcut: 1, onTagsReplaced: (function () { a.apply(b, arguments); }) }
ASIN・タイトル・著者(とかその辺の)・画像と基本的なデータがあるので、これを適当にゴニョゴニョするだけでアサマシ・ツール作れそう。