Top 10 dragons in fiction

From Smaug and Draco to Maleficent and Toothless, dragons range from the magnificent and terrifying to the tiny and adorable. Here are Julie Kagawa’s fictional favourites

Why writing diverse children’s books is tough

What’s the point of having another shoddily-realised feisty girl or two-dimensional token wheelchair sidekick to add to the massive pile of rubbish attempts at diversity? Author Ross Montgomery on why it’s hard to write diverse – but that’s no excuse not to

Enter our Frank Cottrell Boyce Sputnik’s Guide to Life on Earth competition

We have three signed and dedicated copies of Frank Cottrell Boyce’s new book Sputnik’s Guide to Life on Earth as well as Sputnik goodies to give away! Five to 18 year-olds can enter by emailing childrens.books@theguardian.com with the heading ‘Sputnik’ by 18 April 2016. But read these Ts and Cs first please!

Top 10 facts about jellyfish

They’ve been around for at least 600 million years – before dinosaurs, bony fish, insects, trees, flowers or fungi – and survived five mass extinctions. Ali Benjamin tells us why she is deeply fascinated by jellyfish