|website=http://jeannewillis.com/
|video=
|amazonuk=<amazonuk>17834403921783441720</amazonuk>
|amazonus=<amazonus>1783440392</amazonus>
}}
More elephantine entertainment can be found in [[Elephant by Petr Horacek]], but for a real scientific investigation into their inability to jump you can read the adult science book [[Why Can't Elephants Jump? by Mick O'Hare]].
{{amazontext|amazon=17834403921783441720}}
{{amazonUStext|amazon=1783440392}}