1つ前の著書 https://www.amazon.co.jp/%E4%B8%96%E7%95%8C%E4%B8%80%E7%BE%8E%E3%81%97%E3%81%84%E9%8C%AF%E8%A6%96%E3%82%A2%E3%83%BC%E3%83%88-%E3%83%88%E3%83%AA%E3%83%83%E3%82%AF%E3%83%BB%E3%82%A2%E3%82%A4%E3%82%BA%E3%83%97%E3%83%AC%E3%83%9F%E3%82%A2%E3%83%A0-%E5%8C%97%E5%B2%A1%E6%98%8E%E4%BD%B3/dp/486255251X/ref=pd_sbs_14_1/376-1284880-7326653?_encoding=UTF8&pd_rd_i=486255251X&pd_rd_r=1eb7fb15-9b0b-11e9-acee-d709af3ee9b7&pd_rd_w=tF83S&pd_rd_wg=DATAv&pf_rd_p=ad2ea29d-ea11-483c-9db2-6b5875bb9b73&pf_rd_r=N01FGF9FNX0BZWNAENJF&psc=1&refRID=N01FGF9FNX0BZWNAENJF …pic.twitter.com/bm1wm2Ft2p