A Crazy Day with Cobras (Magic Tree House Series #45)by Mary Pope Osborne, Sal Murdocca
The New York Times bestselling Magic Tree House series is back!
But with the magic tree house comes terrible news: Merlin’s beloved penguin, Penny, has been put under a spell! Jack and Annie must find four things to break the spell. The first is a rare and precious emerald. When the magic tree house whisks them back to India over four hundred/i>