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Description
Dark Day in the Deep SeaBy: Mary Pope Osborne Illustrator: Sal Murdocca Series: Magic Tree House Merlin Mission The #1 bestselling chapter book series of all time celebrates 25 years with new covers and a new, easy to use numbering system! The magic tree house leads Jack and Annie to a tiny deserted island in the middle of the ocean. The brother and sister team are soon rescued by a ship of explorers and scientists who are looking fora sea monster! Formerly numbered as Magic
By: Mary Pope Osborne | Illustrator: Sal Murdocca | Series: Magic Tree House Merlin MissionThe #1 bestselling chapter book series of all time celebrates 25 years with new covers and a new, easy-to-use numbering system!
The magic tree house leads Jack and Annie to a tiny deserted island in the middle of the ocean. The brother and sister team are soon rescued by a ship of explorers and scientists who are looking for…a sea monster!
Formerly numbered as Magic Tree House #39, the title of this book is now Magic Tree House Merlin Mission #11: Dark Day in the Deep Sea.
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
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★★★★★ 5
Works great
Color: Black, Size: Standard
Works great under the desk and fits a fairly bulky extension cord in it.
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Reviewed in the United States on April 27, 2026
★★★★★ 5
Perfect fit
Perfect fit.
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Reviewed in the United States on March 5, 2026
★★★★★ 5
Cleaner Desk
Love this. My hub and wires are out of the way and it looks so much cleaner on my desk!
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Reviewed in the United States on April 30, 2026
★★★★★ 5
Easy to install for clean under-desk mounting
Fits my Dell WD19TB dock perfectly. Great for under-desk mounting (just be careful if your desk surface isn't super thick - you may not want to tighten the screws all the way)
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Reviewed in the United States on December 11, 2025
★★★★★ 5
Space Saver
Perfect fit and easy install. Made more space for my desk within minutes.
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Reviewed in the United States on December 5, 2025
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