We have some suggestions we think they'll love - enter for your chance to win the great list of titles below!
Wandi - Favel Parrett
How We Came to Be: Surprising Sea Creatures - Sami Bayly
Mother Earth - Libby Hathorn, Christina Booth
Amazing Animal Journeys - Jennifer Cossins
Leila and the Blue Fox - Kiran Millwood Hargrave, Tom de Freston
The Book of Australian Trees - Inga Simpson, Alicia Rogerson