Pirates Past Noon, by Mary Pope Osborne (Magic Tree House, No. 4)

The #1 bestselling chapter book series of all time celebrates 25 years with new covers and a new, easy-to-use numbering system!It's a treasure trove of trouble! Jack and Annie are in for a high-seas adventure when the Magic Tree House whisks them back to the days of deserted islands, secret maps—and ruthless pirates! Will they discover a buried treasure? Or will they be forced to walk the plank?Did you know that there’s a Magic Tree House book for every kid?Magic Tree House: Adventures with Jack and Annie, perfect for readers who are just beginning chapter books