▁Koh ler ▁originally ▁built ▁by ▁Mr . ▁Koh ler ' s ▁father , ▁G ov , ▁Walter ▁J . ▁Koh ler ▁Sr . ▁The ▁estate ▁is ▁currently ▁a ▁private ▁resort ▁operated ▁as ▁part ▁of ▁the ▁Koh ler ▁Exper ience . ▁ ▁The ▁couple ▁had ▁four ▁children : ▁John ▁Michael ▁Koh ler ▁IV ▁( 1 9 3 5 – ), ▁William ▁Col lin ▁Koh ler ▁( 1 9 3 7 – ), ▁Jul illy ▁W aller ▁Koh ler ▁( 1 9 4 2 – ), ▁and ▁Marie ▁House ▁Koh ler ▁( 1 9 5 1 – ). ▁ ▁Writing ▁career ▁Koh ler ▁began ▁her ▁writing ▁career ▁as ▁a ▁h ob by , ▁beginning ▁with ▁children ' s ▁stories ▁that ▁were ▁published ▁in ▁Story ▁Par ade , ▁Child ▁Life , ▁and ▁Jack ▁and ▁J ill ▁and ▁gained ▁not ability ▁for ▁publication ▁of ▁the ▁children ' s ▁books , ▁Far mer ▁Collins ▁and ▁Football ▁Tre es ▁in ▁the ▁ 1 9 4 0 s . ▁She ▁also ▁made ▁contributions ▁to ▁adult ▁mag az ines ▁like ▁Mc Call ' s , ▁Vog ue , ▁and ▁Library ▁Journal . ▁ ▁Jul illy ▁Koh ler ▁achieved ▁a ▁degree ▁of ▁national ▁prom in ence ▁through ▁her ▁writing , ▁particularly ▁as ▁the ▁author ▁of ▁ 1 0 ▁children ' s ▁books ▁and ▁two ▁non - f iction ▁books . ▁Her ▁best ▁known ▁book ▁was ▁The ▁Boy ▁Who ▁Sto le ▁The ▁Ele ph ant . ▁W alt ▁Disney ▁Produ ctions ▁purchased ▁rights ▁to ▁the ▁book ▁and ▁adapted ▁it ▁to ▁television ▁in ▁two