Meredith Costain

Dive into the fun, diary-style adventures of Meredith Costain, the popular Australian children's author behind the Ella Diaries and Pony Tales series. With relatable characters, laugh-out-loud moments, and heartfelt friendships, Costain's books are a favourite with young readers — especially girls aged 7 to 12.

• Ella Diaries series — diary-format fiction for middle-grade readers
• Pony Tales series — for horse-loving young readers
• Engaging, accessible writing perfect for building reading confidence