【電子書籍なら、スマホ・パソコンの無料アプリで今すぐ読める！】＜p＞Bestselling author, pioneering photographer, mathematical don and writer of nonsense verse, Lewis Carroll remains a source of continuing fascination. Though many have sought to understand this complex man he remains for many an enigma. Now leading international authority, Edward Wakeling, offers his unique appraisal of the man born Charles Dodgson but whom the world knows best as Lewis Carroll, author of Alice's Adventures in Wonderland and Through the Looking-Glass. This new biography of Carroll presents a fresh appraisal based upon his social circle. Contrary to the claims of many previous authors, Carroll's circle was not child centred: his correspondence was enormous, numbering almost 100,000 items at the time of his death, and included royalty and many of the leading artists, illustrators, publishers, academics, musicians and composers of the Victorian era. Edward Wakeling draws upon his personal database of nearly 6,...

【電子書籍なら、スマホ・パソコンの無料アプリで今すぐ読める！】＜p＞This book focuses on the vulnerabilities of state and local services to cyber-threats and suggests possible protective action that might be taken against such threats. Cyber-threats to U.S. critical infrastructure are of growing concern to policymakers, managers and consumers. Information andcommunications technology (ICT) is ubiquitous and many ICT devices and other components are interdependent; therefore, disruption of one component may have a negative, cascading effect on others. Cyber-attacks might include denial of service, theft or manipulation of data. Damage to critical infrastructure through a cyber-based attack could have a significant impact on the national security, the economy, and the livelihood and safety of many individual citizens. Traditionally cyber security has generally been viewed as being focused on higher level threats such as those against the internet or the Federal government. Little attention h...