Errata

Errata page 18: 'midde'->'middle' page 23: 'entred'->'entered' page 23: 'obvions'->'obvious' page 27: 'innner'->'inner' page 32: 'Britan'->'Britain' page 44: 'inquries'->'inquiries' page 50: 'sacrfice'->'sacrifice' page 57: 'avenne'->'avenue' page 65: 'we we'->'we' page 65: 'abont'->'about'