Dolphins at Daybreak (Magic Tree House Book 9)

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 sink or swim for Jack and Annie when the Magic Tree House whisks them off to the middle of the ocean. Luckily, they find a mini-submarine on a coral reef. Unluckily, they are about to meet a giant octopus and one very hungry shark. Will the dolphins save the day? Or are Jack and Annie doomed to be dinner?

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
Merlin Missions: More challenging adventures for the experienced reader
Super Edition: A longer and more dangerous adventure
Fact Trackers: Nonfiction companions to your favorite Magic Tree House adventures

Have more fun with Jack and Annie at MagicTreeHouse.com!

• Ghost Town at Sundown (Magic Tree House Book 10)
• Lions at Lunchtime (Magic Tree House Book 11)
• Polar Bears Past Bedtime (Magic Tree House Book 12)
• Midnight on the Moon (Magic Tree House Book 8)
• Sunset of the Sabertooth (Magic Tree House Book 7)
• Afternoon on the Amazon (Magic Tree House Book 6)
• Viking Ships at Sunrise (Magic Tree House Book 15)
• Day of the Dragon King (Magic Tree House Book 14)
• Vacation Under the Volcano (Magic Tree House Book 13)
• Hour of the Olympics (Magic Tree House Book 16)