Have You Ever Seen a Sneep?

Have you ever had your picnic pinched by a Sneep? No? Not ever? Then maybe you’ve been disturbed by a Snook? Or swallowed by a Grullock? No? Not that either? Then you must have met the springing Knoo? Or been chased by a Loon? No? What, never?! Then perhaps it’s time you read this book!