Books on the virtual bookshelf by Ikko Kagari: "Document Tsuken Densha (Document Tsuken Express Train)", Hama Shobo (1982); "Chikan Rush - 篝　一光 赤外線フィルム盗撮『痴漢ラッシュ』 -ラッシュアワーの痴漢電車", Heart Deluxe (1994).