Rücktitelbild: A Hydrogen‐Bonded Cyanide‐Bridged [Co2Fe2] Square Complex Exhibiting a Three‐Step Spin Transition (Angew. Chem. 2/2017). (9th January 2017) - Nihei, Masayuki; Yanai, Yuta; Hsu, I.‐Jui; Sekine, Yoshihiro; Oshio, Hiroki