1. The 78-Storey Treehouse by Andy Griffiths and Terry Denton
2. Welcome to Country by Joy Murphy and Lisa Kennedy
3. The Bone Sparrow by Zana Fraillon
4. A Child of Books by Oliver Jeffers and Sam Winston
5. The World’s Worst Children by David Walliams and Tony Ross
6. The 13-Storey Treehouse by Andy Griffiths and Terry Denton
7. In My Heart: A Book of Feelings by Jo Witek and Christine Roussey
8. Little People, Big Dreams: Amelia Earhart by Isabel Sanchez Vergara and Maria Diamantes
9. The Bad Guys: Episode 1 by Aaron Blabey
10. Run, Pip, Run by J.C. Jones

Two gorgeous new picture books feature on our list of bestselling children’s and YA books for last week.

In A Child of Books author Oliver Jeffers has collaborated with illustrator Sam Winston to create a magical, creative ode to the power of books. Hawthorn children’s specialist Alexa Dretzke writes: ‘This is a book for book-lovers and for anyone who wants to encourage a child to love books.’ Read her full review here.

The other picture book is is one of four currently available in a stylish new biography series for readers 5+: Little People, Big Dreams follows the lives of outstanding people, from designers and artists to scientists. In Amelia Earhart, Maria Diamantes and Isabel Sanchez Vergara introduces young readers to the first female flier to fly solo across the Atlantic ocean.

Also proving popular last week… Joy Murphy and Lisa Kennedy’s gorgeous picture book adaptation of a Wominjeka (welcome) ceremony, the 2016 winner of the Readings Children’s Book Prize, and Zana Fraillon’s powerful story for teen readers set inside a detention centre.

Please note, this list does not include books bought at the Melbourne Writers Festival Festival Bookshop over the weekend. Those sales will be included in next week’s list of bestsellers.