Martin Powell 
Private Eye Princess and the Emerald Pea [PDF ebook] 
A Graphic Novel

Detective Princess King is taking on her toughest case yet: to find the "pea", a priceless emerald that’s disappeared from Mrs Snell’s jewellery collection. But as Princess searches for clues, she discovers that Snell Manor holds many mysteries from secret passageways to a towering bed of stacked mattresses. Can Princess use her sleuthing skills to solve the crime and prove she’s the best private investigator in town? Experience the classic "Princess and the Pea" fairy tale like never before in this graphic novel retelling. With information on the original tale, a guide to the story’s twists and visual discussion questions, this book will engage and excite readers in equal measure.