Marthe Jocelyn 
Invisible Harry 

Whats more fun and more hard work than a puppy? An invisible one!Author Marthe Jocelyn takes readers back to Manhattan to meet up once again with Billie Stoner in her follow-up to The Invisible Day. Billie has always wanted a puppy, but her mother and father both agree: No dog! No problem, thinks Billie, who turns to her mad scientist friend Jodie for a plan to make her new pet invisible! The plan works, but soon Billie finds that keeping her invisible dog, Harry Houdini, under wraps isnt as easy as she planned, especially in a tiny apartment. To begin with, he still smells like a puppy, feels like a puppy, and worst of all, sounds like a puppy. Whats more, her arch enemy Alissa is beginning to catch on to the secret. Just how long can Billie keep Harry concealed?From the Hardcover edition.