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How are eggs of different shapes made, and just why are they the shapes these are? When does indeed the shell of any egg harden? Why do some eggs contain two yolks? How are the colours and patterns of eggshells created, and just why do they change? And which end of any egg is laid first - the blunt end or the pointy end? These are just some of the questions The Most Perfect Thing answers, as the trip of the bird's egg from creation and fertilisation to its eventual hatching is examined, with current technological knowledge placed in a historical context. Beginning with an study of the stunning eggs of the guillemot, each which is so changing in routine and shade that no two are ever before the same, acclaimed ornithologist Tim Birkhead then looks at the eggs of hens, cuckoos and a great many other birds, revealing strange and wonderful facts about these miracles of characteristics. Woven around and helping these facts are extraordinary stories of the those who, from as far back as old Egypt, have been fixated on the study and assortment of eggs, not always to the good thing about their conservation. Firmly grounded in science and enriched by an abundance of observation drawn from a lifetime spent studying birds, The Most Perfect Thing can be an illuminating and interesting exploration of the science behind eggs and the history of man's obsession with them.