Inc. Dorling Kindersley (COR)
(15)
Inc. Dorling Kindersley (COR)/ Smithsonian Institution (COR)
(2)
Adam Hart-Davis (EDT)/ John Gribbin (CON)/ Douglas Palmer (CON)/ Jeremy Cherfas (CON)
(1)
Andrew Graham Dixon/ Ross King (FRW)
(1)
Bruce Fogle/ Tracy Morgan (PHT)
(1)