Andy Jones 
Wishes Come in Threes [PDF ebook] 

A heartwarming, tenderly witty debut about belief — in friendship, in yourself and, maybe, in just a little magic. "I don’t know exactly how wishes work. But I knew a man that did." Phyll is having a difficult summer. Her family has moved to the seaside, but it’s a long way from perfect. Her mum is sick, she has an enemy called Hilda, and someone is stealing dogs. Then Phyll meets Mr Djinn — a wise old man who insists he’s a genie. It’s a tough claim to believe, until Phyll starts wishing for change…