, ▁Johnny ▁D ixon ▁is ▁the ▁book ▁series ▁(" John ny ▁D ixon ▁and ▁the ▁Professor " ▁in ▁IS F DB ). ▁ ▁The ▁series ▁is ▁set ▁in ▁the ▁early ▁ 1 9 5 0 s . ▁Johnny ▁lives ▁with ▁his ▁pat ernal ▁grand par ents ▁in ▁fict ional ▁D ust on ▁He ights , ▁Massachusetts ; ▁his ▁mother ▁died ▁of ▁cancer ▁some ▁time ▁prior ▁to ▁the ▁beginning ▁of ▁the ▁series , ▁and ▁his ▁father ▁is ▁a ▁f ighter ▁pilot ▁in ▁the ▁United ▁States ▁Air ▁Force ▁during ▁the ▁Korean ▁War . ▁Johnny ' s ▁best ▁friend , ▁history ▁professor ▁R oder ick ▁Ch ilder mass , ▁lives ▁across ▁the ▁street . ▁In ▁" The ▁M ummy , ▁the ▁Will ▁and ▁the ▁C rypt ", ▁Johnny ▁meets ▁a ▁boy ▁his ▁own ▁age , ▁By ron ▁Q . ▁" F er gie " ▁Fer g us on , ▁at ▁a ▁Boy ▁Sc out ▁camp . ▁Th ence for th , ▁Johnny , ▁Fer gie , ▁and ▁Professor ▁Ch ilder mass ▁( who ▁is ▁typically ▁referred ▁to ▁as ▁simply ▁" the ▁professor ") ▁are ▁the ▁three ▁principal ▁characters ▁of ▁the ▁series . ▁ ▁Nov els ▁in ▁Johnny ▁D ixon ▁series ▁ ▁The ▁Cur se ▁of ▁the ▁Blue ▁Fig ur ine ▁( 1 9 8 3 ) ▁The ▁M ummy , ▁the ▁Will , ▁and ▁the ▁C rypt ▁( 1 9 8 3 ) ▁The ▁Sp ell ▁of ▁the ▁Sor cer er ' s ▁Sk ull ▁( 1 9 8 4 ) ▁The ▁Re ven ge ▁of