page ix: 'propably'->'probably'
page xxiv: 'swifty'->'swiftly'
page 37: 'cotemporary'->'contemporary'
page 51: 'agrandson'->'a grandson'
page 52: 'Pathagorean'->'Pythagorean'
page 167: 'hearefter'->'hereafter'
page 288: 'siezed'->'seized'
page 314: 'preceeding'->'preceding'