Oun ni iwe akoko ti Musgrove ko, sugbon awon Dillons je ogbontarigi ayaworan, iwe yii mu ki won gba ami-eye Caldecott Medals le keji.. 
Iṣe wọn ni lati dáàbò bo àwọn ẹranko nínú igbó nípa jijà fún ìjọba tí ó dá." Ọ̀kan lára àwọn iṣẹ́ wọn, Shoḿpọ̀lẹ Group Ranch.” Gba àmì-ẹ̀yẹ 2006 equator Initiative Award.Ìtàn wọn dá African Conservation Center (ACC) kalẹ̀ ní ara àwọn ọdún 1970s.. 