The Secret of Jelly Mountain

A book for 8-14 year olds, set in New Zealand.
Jason and his twin sister meet Shawn Morris when he drops from the sky in a light airplane accident onto their farm. Shawn is there to do some testing for an oil company. Jason's dad has granted the oil company permission to test in return for some much needed monetary assistance for the farm however there is conflict in the form of Jason's sister who is a young environmentalist and Jason who suspects Shawn of inappropriate interest in his 13 year old sister. The tension mounts as Jason's sister enjoys Shawn's attention.

The action takes place on a striking karst formation known locally as Jelly Mountain.