▁B ets y ▁is ▁port rayed ▁with ▁various ▁hair ▁colors ▁throughout ▁the ▁series ; ▁in ▁her ▁initial ▁appearances ▁her ▁hair ▁was ▁colored ▁as ▁bl onde , ▁st raw berry ▁bl onde ▁or ▁light ▁brown . ▁Later ▁appearances ▁dep icted ▁her ▁as ▁br un ette ▁or ▁with ▁a ub urn ▁hair . ▁B ets y ▁first ▁appears ▁in ▁Ba um ' s ▁ 1 9 1 3 ▁stage ▁play ▁The ▁T ik - T ok ▁Man ▁of ▁O z , ▁and ▁then ▁in ▁his ▁ 1 9 1 4 ▁novel ▁T ik - T ok ▁of ▁O z , ▁where in ▁she ▁teams ▁up ▁with ▁the ▁Sh ag gy ▁Man ▁and ▁together ▁they ▁go ▁to ▁the ▁N ome ▁King ' s ▁Ca ver ns . ▁ ▁In ▁the ▁book ▁series ▁B ets y ▁arriv es ▁to ▁O z ▁from ▁Oklahoma ▁with ▁a ▁m ule ▁named ▁H ank , ▁and ▁she ▁is ▁shown ▁as ▁a ▁constant ▁companion ▁of ▁both ▁Dor othy ▁and ▁T rot ▁in ▁the ▁later ▁books . ▁In ▁The ▁Lost ▁Princess ▁of ▁O z ▁she ▁is ▁said ▁to ▁be ▁one ▁year ▁older ▁than ▁Dor othy ▁G ale . ▁B ets y ▁is ▁more ▁pass ive ▁than ▁Dor othy , ▁and ▁in ▁one ▁book ▁she ▁is ▁described ▁as ▁sh y . ▁B ets y ▁was ▁later ▁made ▁a ▁Princess ▁of ▁O z ▁by ▁Ruth ▁Pl um ly ▁Thompson , ▁and ▁she ▁also ▁appears ▁as ▁the ▁protagon ist ▁of ▁Thompson ' s ▁The ▁Hun gry ▁T iger ▁of ▁O z ▁in ▁which ▁she ▁helps ▁a