If you like Diary of A Wimpy Kid try these............

The Wayside School series -Louis Sachar

The Legend of Spud Murphy-Eoin Colfer

Big Nate Series-Lincoln Pierce

Johnny Catbiscuit series– Michael Cox

The Incredible Luck of Alfie Pluck-Jamie Rix

Aliens Don’t Eat Dog Food-Dinah Capparucci

Double Fudge-Judy Blume

Rudie Dudie– Michael Lawrence

The Tracey Beaker Series-Jacqueline Wilson

Dear Me-Marie Burlington

Unlikely Exploits series-Philip Ardagh

Tales of a Fourth Grade Nothing-Judy Blume

Mr. Stink-David Walliams 

Danny Baker Record Breaker Series-Steve Hartly