I remember really loving Cockawun & Cockatoo when I was 10 or 11. Also I love where's wally (I think most people did though?) and I have this massive disney book with some of the original stories in it.

The Day the Crayons Quit (Author: Drew Daywalt - Illustrator: Oliver Jeffers) is honestly one of the funniest picture books.

And Fox Makes Friends (Adam Relf) is genuinely adorable and has a great message for kids.

Dr. Seuss definitely