Our children's & YA top 10 bestsellers of the week

1. The Heartstopper Yearbook by Alice Oseman
2. Spaceboy by David Walliams
3. Rockpooling with Pup by Kevin Brophy & Jules Ober
4. The Bookseller's Apprentice by Amelia Mellor
5. The 156-Storey Treehouse by Andy Griffiths & Terry Denton
6. Nothing More to Tell by Karen McManus
7. Meanwhile, Back on Earth by Oliver Jeffers
8. Claris: The Secret Crown by Megan Hess
9. The Baddies by Julia Donaldson & Axel Scheffler
10. The Jammer by Nova Weetman

Alice Oseman's must-have addition to her bestselling Heartstopper series is our bestseller this week. It's a delightful look behind the scenes of the books and the TV show, as well as including exclusive drawings, stories and a mini-comic with the characters from the series.

In third place is the beautiful new picture book by poet Kevin Brophy and illustrator Jules Ober, which was launched at Readings Kids last Thursday. It's a gorgeous story about a girl and a dog playing together by the seashore, perfect for ages 4 and up.

The new Oliver Jeffers picture book makes it first appearance on the list, and it's also the first time for the new Nova Weetman about a young girl and her passion for roller derby. Its a fantastic read for ages 10 and up.