. ▁ ▁The ▁book ▁is ▁divided ▁into ▁four ▁chap ters : ▁ ▁Earth force ▁history ▁and ▁organization , ▁and ▁rules ▁for ▁Earth force ▁characters ▁ ▁Earth force ▁equipment ▁ ▁Earth force ▁ships , ▁and ▁rules ▁for ▁space ▁combat ▁ ▁Major ▁non - player ▁characters ▁( N PC s ), ▁including ▁background s ▁and ▁personal ities ▁ ▁The ▁book ▁also ▁includes ▁two ▁card board ▁sheets ▁of ▁colour ▁ship ▁coun ters ▁ ▁Re ception ▁In ▁the ▁May ▁ 1 9 9 8 ▁edition ▁of ▁Dragon ▁( I ss ue ▁# 2 4 7 ), ▁Chris ▁Pr am as ▁found ▁the ▁first ▁half ▁of ▁the ▁book ▁" a ▁really ▁dry ▁read " ▁and ▁by ▁the ▁end ▁of ▁Chapter ▁ 2 , ▁" my ▁interest ▁was ▁about ▁to ▁flat line ". ▁However , ▁Pr am as ▁thought ▁the ▁second ▁half ' s ▁space ▁combat ▁rules ▁and ▁N PC ▁profiles ▁saved ▁the ▁book ; ▁the ▁space ▁combat ▁rules ▁in ▁particular ▁would ▁" make ▁fighting ▁comb ats ▁much ▁more ▁challeng ing ▁and ▁enjoy able ." ▁Pr am as ▁concluded ▁by ▁giving ▁the ▁book ▁an ▁average ▁rating ▁of ▁ 4 ▁out ▁of ▁ 6 , ▁adding ▁a ▁recommendation : ▁" Don ’ t ▁let ▁the ▁first ▁half ▁of ▁this ▁book ▁bring ▁you ▁down ; ▁the ▁second ▁half ▁del ivers . ▁Earth force ▁Source book ▁is ▁worth ▁the ▁price ▁for ▁the ▁space ▁combat ▁rules ▁alone ▁and ▁it ▁is ▁a ▁must ▁for ▁anyone ▁serious ▁about ▁running ▁a ▁Bab yl on ▁Project ▁campaign ." ▁ ▁References ▁ ▁Category : S cience ▁fiction ▁role