阿加莎·克里斯蒂除了一系列侦探小说以外，还有4本浪漫小说。这是其中一本。作本发表是以阿加莎·克里斯蒂的真名“Mary Westmacott ” 来出版的，所以知道的人甚少。

An introduction to writing proofs, presented through compelling mathematical statements with interesting elementary proofs. This book offers an introduction to the art and craft of proof-writing. The author, a leading research mathematician, presents a series of engaging and compelling mathematical statements with interesting elementary proofs. These proofs capture a wide range...(展开全部)

An introduction to writing proofs, presented through compelling mathematical statements with interesting elementary proofs. This book offers an introduction to the art and craft of proof-writing. The author, a leading research mathematician, presents a series of engaging and compelling mathematical statements with interesting elementary proofs. These proofs capture a wide range...(展开全部)

Laura Franklin bitterly resented the arrival of her younger sister Shirley, an enchanting baby loved by all the family. But Laura's emotions towards her sister changed dramatically one night, when she vowed to protect her with all her strength and love. While Shirley longs for freedom and romance, Laura has to learn that loving can never be a one-sided affair, and the burden of...(展开全部)

How the concept of proof has enabled the creation of mathematical knowledge The Story of Proof investigates the evolution of the concept of proof―one of the most significant and defining features of mathematical thought―through critical episodes in its history. From the Pythagorean theorem to modern times, and across all major mathematical disciplines, John Stillwell demonstrat...(展开全部)

How do we establish what we believe? And how can we be certain that what we believe is true? And how do we convince other people that it is true? For thousands of years, from the ancient Greeks to the Arabic golden age to the modern world, science has used different methods—logical, empirical, intuitive, and more—to separate fact from fiction. But it all had the same goal: find...(展开全部)

This is a vintage murder mystery. The annual Sports Day at respected public school, Sudeley Hall, ends in tragedy when the headmaster's obnoxious nephew is found strangled in a haystack. The boy was despised by staff and students alike but English master Michael Evans, who was seen sharing a kiss with the headmaster's beautiful young wife earlier that day, soon becomes a prime ...(展开全部)

This volume contains articles covering a broad spectrum of proof theory, with an emphasis on its mathematical aspects. The articles should not only be interesting to specialists of proof theory, but should also be accessible to a diverse audience, including logicians, mathematicians, computer scientists and philosophers. Many of the central topics of proof theory have been incl...(展开全部)

The ideas behind Ethereum in the words of its founder, describing a radical vision for more than a digital currency—reinventing organizations, economics, and democracy itself in the age of the internet. After Ethereum creator Vitalik Buterin dropped out of college and launched Bitcoin Magazine, he wrote the Ethereum white paper, which proposed an open source protocol that would...(展开全部)

The ideas behind Ethereum in the words of its founder, describing a radical vision for more than a digital currency—reinventing organizations, economics, and democracy itself in the age of the internet. After Ethereum creator Vitalik Buterin dropped out of college and launched Bitcoin Magazine, he wrote the Ethereum white paper, which proposed an open source protocol that would...(展开全部)