▁on ▁what ▁I ▁learned ▁and ▁then ▁formed ▁a ▁system ▁of ▁grammar ▁and ▁a ▁pron unci ation ▁guide ▁to ▁fit ▁my ▁world . ▁Develop ing ▁this ▁has ▁probably ▁been ▁the ▁most ▁difficult ▁part ▁of ▁writing ▁the ▁books ." ▁The ▁languages ▁used ▁by ▁the ▁d war ves ▁and ▁Ur g als ▁in ▁the ▁book ▁were ▁created ▁from ▁scratch ▁by ▁Pa ol ini . ▁ ▁When ▁asked ▁by ▁Sci ▁F i ▁W ire ▁what ▁kind ▁of ▁challeng es ▁he ▁faced ▁while ▁writing ▁the ▁book , ▁Pa ol ini ▁said ▁it ▁was ▁trying ▁to ▁avoid ▁any ▁references ▁to ▁modern ▁items ▁or ▁actions . ▁Br ising r ▁takes ▁place ▁long ▁before ▁the ▁industrial ▁revolution , ▁which ▁Pa ol ini ▁said ▁" limits ▁not ▁only ▁the ▁things ▁my ▁characters ▁use ▁and ▁do , ▁but ▁it ▁also ▁inform s ▁their ▁world view . ▁This ▁constraint ▁extends ▁to ▁more ▁recent ▁words ▁and ▁phr ases ▁as ▁well . ▁For ▁example , ▁in ▁Br ising r , ▁I ▁was ▁going ▁to ▁use ▁the ▁description ▁short - order . ▁When ▁I ▁research ed ▁its ▁orig ins , ▁however , ▁I ▁discovered ▁that ▁it ▁was ▁co ined ▁to ▁describe ▁modern ▁cook ing : ▁a ▁short - order ▁cook ." ▁ ▁Split ▁and ▁editing ▁ ▁According ▁to ▁its ▁author , ▁Br ising r ▁features ▁a ▁complex ▁story ▁with ▁" weight y ▁moral ▁d ile mm as " ▁and ▁" a ▁she er ▁number ▁of ▁events ▁that ▁gives ▁it ▁a ▁rich ▁narr ative ." ▁Half way ▁through ▁the ▁writing ▁of ▁the ▁book , ▁Pa ol ini ▁realized