Das grosse Buch der Vögel - Crawford, Andy; Gorton, Steve; Laubscher, Cyril; Ridley, Tim; Stevenson, James; Young, Jerry; Doyle, Sandra; Flooks, Roy; Gillah, Mick; Hannah, Edwina; Lafford, Stuart; Loates, Mick; et al. (Welt des Wissens)