Our children's and YA top ten bestsellers of the week

1. The 78-Storey Treehouse by Andy Griffiths and Terry Denton
2. Do Not Open This Book by Andy Lee and Heath McKenzie
3. Ada Twist, Scientist by Andrea Beaty and David Roberts
4. The Call by Peadar Ó Guilín
5. Mr Chicken Arriva a Roma by Leigh Hobbs
6. Mega Weird (WeirDo Book 7) by Anh Do and Jules Faber
7. Empire of Storms (Throne of Glass Book 5) by Sarah J. Maas
8. Dog Man (The Adventures of Dog Man Book 1) by Dav Pilkey
9. Welcome to Country by Joy Murphy and Lisa Kennedy
10. The Bad Guys: Episode 1 (The Bad Guys Book 1) by Aaron Blabey

Our top ten bestselling children’s and YA books of last week include four terrific Australian picture books – an original, charming new collaboration from Andrea Beaty and David Roberts (Ada Twist, Scientist); a brand-new adventure with intrepid traveller Mr Chicken from Leigh Hobbs (Mr Chicken Arriva a Roma); Aunty Joy Murphy and Lisa Kennedy’s gorgeous picture book adaptation of a Wominjeka (welcome) ceremony (Welcome to Country); and… the surprise picture book release from comedian Andy Lee, with illustrations from Heath McKenzie (Do Not Open This Book).

Other bestsellers include the first book in a new series from the creator of Captain Underpants (Dog Man), Sarah J. Maas’s fifth instalment of her Throne of Glass series for teen readers (Empire of Storms), and Peadar Ó Guilín’s terrifying horror/Irish folklore YA mash-up that gave so many of our booksellers nightmares (The Call).