She is best known for her children's novels including The White Giraffe and Dead Man's Cove which won her a Blue Peter Book Award in 2011.
[1] When she was eleven, St John and her family moved to a nature reserve called Rainbow End's farm in Gadzema.
It was later the focus of her memoir, Rainbow's End[2] and many of her children's books are influenced by the nature reserve in which she grew up.
[3] After studying journalism in Harare St John moved to London where she was the golf correspondent for The Sunday Times for almost a decade.
She became involved after contacting the Foundation while she was running a school conservation project called Animals Are Not Rubbish in 2009.